Document:

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                                                                   EXHIBIT 10.15

                               ASHFORD.COM, INC.

                               Lock-Up Agreement

                              __________  __, 2001

Ashford.com, Inc.

3800 Buffalo Speedway, Suite 400

Houston, TX  77098

     Re: Ashford.com, Inc. - Lock-Up Agreement
         -------------------------------------

Ladies and Gentlemen:

    The undersigned understands that Ashford.com, Inc., a Delaware corporation
(the "Company"), pursuant to an Agreement and Plan of Reorganization, dated
January 3, 2001 (the  "Merger Agreement"), proposes to register shares of its
common stock (the "Shares") pursuant to a Registration Statement on Form S-4
(the "S-4") to be filed with the Securities and Exchange Commission (the "SEC").

    In consideration of the agreement by the Company to issue the Merger
Consideration (as such term is defined in the Merger Agreement) and of other
good and valuable consideration the receipt and sufficiency of which is hereby
acknowledged, the undersigned agrees that, during the period beginning from the
date the S-4 is declared effective by the SEC and including the date 180 days
after such date, the undersigned will not offer, sell, contract to sell, pledge,
grant any option to purchase, make any short sale or otherwise dispose of any
shares of Common Stock of the Company, or any options or warrants to purchase
any shares of Common Stock of the Company, or any securities convertible into,
exchangeable for or that represent the right to receive shares of Common Stock
of the Company, whether now owned or hereinafter acquired, owned directly by the
undersigned (including holding as a custodian) or with respect to which the
undersigned has beneficial ownership within the rules and regulations of the SEC
(collectively the "Undersigned's Shares").

    The foregoing restriction is expressly agreed to preclude the undersigned
from engaging in any hedging or other transaction which is designed to or which
reasonably could be expected to lead to or result in a sale or disposition of
the Undersigned's Shares even if such Shares would be disposed of by someone
other than the undersigned. Such prohibited hedging or other transactions would
include without limitation any short sale or any purchase, sale or grant of any
right (including without limitation any put or call option) with respect to any
of the Undersigned's Shares or with respect to any security that includes,
relates to, or derives any significant part of its value from such shares.

    Notwithstanding the foregoing, the undersigned may transfer the
Undersigned's Shares (i) as a bona fide gift or gifts, provided that the donee
or donees thereof agree to be bound in writing by the restrictions set forth
herein, (ii) to any trust for the direct or indirect benefit of the undersigned
or the immediate family of the undersigned, provided that the trustee of the
trust agrees to be bound in writing by the restrictions set forth herein, and
provided further that any such transfer shall not
<PAGE>

involve a disposition for value, or (iii) with the prior written consent of the
Company. For purposes of this Lock-Up Agreement, "immediate family" shall mean
any relationship by blood, marriage or adoption, not more remote than first
cousin. In addition, notwithstanding the foregoing, if the undersigned is a
corporation, the corporation may transfer the capital stock of the Company to
any wholly-owned subsidiary of such corporation; provided, however, that in any
such case, it shall be a condition to the transfer that the transferee execute
an agreement stating that the transferee is receiving and holding such capital
stock subject to the provisions of this Lock-up Agreement and there shall be no
further transfer of such capital stock except in accordance with this Lock-up
Agreement, and provided further that any such transfer shall not involve a
disposition for value. The undersigned now has, and, except as contemplated by
clause (i), (ii), or (iii) above, for the duration of this Lock-Up Agreement
will have, good and marketable title to the Undersigned's Shares, free and clear
of all liens, encumbrances, and claims whatsoever. The undersigned also agrees
and consents to the entry of stop transfer instructions with the Company's
transfer agent and registrar against the transfer of the Undersigned's Shares
except in compliance with the foregoing restrictions.

    The undersigned understands that the Company is  relying upon this Lock-Up
Agreement in proceeding toward consummation of the offering.  The undersigned
further understands that this Lock-Up Agreement is irrevocable and shall be
binding upon the undersigned's heirs, legal representatives, successors, and
assigns.

                              Very truly yours,

                              ________________________________________
                              Signature

                              ________________________________________
                              Printed Name<PAGE>

                                                                    EXHIBIT 10.5

                        HUGHES ELECTRONICS CORPORATION

                               SECOND AMENDMENT
              TO REVOLVING CREDIT AGREEMENT (MULTI-YEAR FACILITY)

          This SECOND AMENDMENT TO REVOLVING CREDIT AGREEMENT (MULTI-YEAR
FACILITY) (this "Amendment") is dated as of March 16, 2000 and entered into by
and among HUGHES ELECTRONICS CORPORATION, a Delaware corporation (the
"Borrower"), the financial institutions listed on the signature pages hereof
(the "Banks"), BANK OF AMERICA, N.A., as the administrative agent for the Banks
(in such capacity the "Administrative Agent"), MORGAN GUARANTY TRUST COMPANY OF
NEW YORK, as the syndication agent (in such capacity the "Syndication Agent")
and CITICORP USA, INC. and THE CHASE MANHATTAN BANK, as documentation agents
(the "Documentation Agents") and is made with reference to that certain Amended
and Restated Revolving Credit Agreement (Multi-Year Facility) dated as of
November 24, 1999, as amended (as so amended, the "Credit Agreement"), by and
among the Borrower, the lending institutions identified therein, the
Administrative Agent, the Syndication Agent and the Documentation Agents.
Capitalized terms used herein without definition shall have the same meanings
herein as set forth in the Credit Agreement.

                                   RECITALS

          WHEREAS, Borrower and Banks desire to amend the Credit Agreement to
(i) revise the definition of Consolidated EBITDA, and (ii) revise certain
negative financial covenants of Borrower;

          NOW, THEREFORE, in consideration of the premises and the agreements,
provisions and covenants herein contained, the parties hereto agree as follows:

     1.   AMENDMENTS TO THE CREDIT AGREEMENT

          1.1  Amendments to Section 1:  Definitions
               -------------------------------------

          Subsection 1.1 of the Credit Agreement is hereby amended by deleting
the definition of Consolidated EBITDA in its entirety, and by replacing it with
the following:

          "Consolidated EBITDA" means, for any period, for Borrower and its
Subsidiaries on a consolidated basis, an amount equal to the sum of (a)
Consolidated Net Income, (b) Consolidated Interest Charges, (c) the amount of
taxes, based on or measured by income, used or included in the determination of
such Consolidated Net Income, (d) the amount of depreciation and amortization
expense deducted in determining such Consolidated Net Income, (e) for each
fiscal quarter in the fiscal year ending December 31, 1999, (i) the amount of
charges taken in connection with the cancellation of contract with Asia Pacific
Mobile Telecommunications, up to an aggregate amount of $92,000,000 for all such
fiscal quarters, and (ii) the amount of charges taken in connection with
development costs and schedule delays at Hughes Space and Communication up to an
aggregate amount of
<PAGE>

$125,000,000 for all such fiscal quarters, (f) for the last fiscal quarter of
the fiscal year ending December 31, 1999, (i) if a non-cash charge is taken in
connection with the write-off of equity investment in ICO Global Communications,
the amount of such non-cash charge up to an aggregate amount of $62,000,000,
(ii) if a non-cash charge is taken in connection with the write-off of equity
investment in the Hughes Network Systems wireless business, the amount of such
non-cash charge up to an aggregate amount of $272,000,000, and (iii) if a change
in business strategy related to DirecTV Japan, Ltd. results in cash and/or non-
cash charges, the amount of such cash and/or non-cash charges up to an aggregate
amount of $250,000,000, and (g) for each fiscal quarter in the fiscal year
ending December 31, 2000, the amount of non-cash charges taken in connection
with ICO Global Communications and PanAmSat launch delays, up to an aggregate
amount for all such fiscal quarters of (x) $150,000,000 minus (y) the amount of
the charge, if any, added pursuant to clauses (f)(i) above; minus (h) for each
                                                            -----
fiscal quarter in the fiscal year ending December 31, 2000, the amount of cash
losses (whether or not accounted for as charges under GAAP) in connection with
DirecTV Japan, Ltd., but only if such cash losses were reflected in the charges,
if any, added pursuant to clause (f)(iii); plus (i) for each fiscal quarter in
                                           ----
the fiscal year ending December 31, 2000, if any change in business strategy
regarding DirecTV Japan, Ltd. results in a non-cash charge, the amount of such
non-cash charge up to an aggregate amount of $150,000,000 minus the amount of
non-cash charges, if any, added pursuant to clause (f)(iii) above; plus (j)
                                                                   ----
after the date on which Hughes Satellite Systems Segment (which consists of
Hughes Space and Communications, Hughes Electron Dynamics, and Spectrolab, Inc.)
is accounted for as a discontinued operation and until the date on which Hughes
Satellite Systems Segment is sold, the amounts described in clauses (a), (b),
(c) and (d) above attributable to Hughes Satellite Systems Segment.

          1.2  Amendments to Section 8: Negative Covenants of Borrower
               -------------------------------------------------------

          (A)  Subsection 8.5(b) is hereby amended by changing the table
contained therein by replacing the Maximum Leverage Ratio (i) for the quarter
ending March 31, 2000 from 4.50 to 5.00, and (ii) for the quarters ending June
30, 2000 and September 30, 2000 from 4.00 to 5.00.

          (B)  Subsection 8.5(c) is hereby deleted in its entirety.

     2.   CONDITIONS TO EFFECTIVENESS

          Section 1 of this Amendment shall become effective only upon the
satisfaction of all of the following conditions precedent (the date of
satisfaction of such conditions being referred to herein as the "Amendment
Effective Date"):

          (A)  On or before the Amendment Effective Date, Borrower shall deliver
to the Banks (or to the Administrative Agent for the Banks with sufficient
originally executed copies, where appropriate, for each Bank and its counsel)
copies of this Amendment dated the Amendment Effective Date executed by
Borrower, the Majority Banks and the Administrative Agent.

                                       2
<PAGE>

          (B)  All fees and other amounts due to the Administrative Agent,
Syndication Agent, Documentation Agents, Arranger and any Bank through the
Amendment Effective Date from Borrower shall have been received by such person.

     3.   BORROWER'S REPRESENTATIONS AND WARRANTIES

          In order to induce Banks to enter into this Amendment and to amend the
Credit Agreement in the manner provided herein, Borrower represents and warrants
to each Bank that the following statements are true, correct and complete:

          (A)  Corporate Power and Authority.  Borrower has all requisite
               -----------------------------
corporate power and authority to enter into this Amendment and to carry out the
transactions contemplated by, and perform its obligations under, the Credit
Agreement as amended by this Amendment (the "Amended Agreement").

          (B)  Authorization of Agreements.  The execution and delivery of this
               ---------------------------
Amendment and the performance of the Amended Agreement have been duly authorized
by all necessary corporate action on the part of Borrower.

          (C)  No Contravention.  There is no charter, by-law, or capital stock
               ----------------
provision of Borrower and no provision of any indenture or material agreement,
written or oral, to which Borrower is a party or under which Borrower is
obligated, nor is there any statute, rule or regulation, or any judgment, decree
or order of any court or agency binding on Borrower which would be contravened
by the execution, delivery and performance of any provision, condition, covenant
or other term of this Amendment or the Amended Agreement.

          (D)  Binding Obligation.  This Amendment and the Amended Agreement are
               ------------------
the legal, valid and binding obligation of Borrower, enforceable against it in
accordance with their terms, and any instrument or agreement required hereunder
or by the Amended Agreement, when executed and delivered, will be similarly
valid, binding and enforceable.

          (E)  Incorporation of Representations and Warranties From Credit
               -----------------------------------------------------------
Agreement. The representations and warranties contained in Section 6 of the
---------
Credit Agreement are and will be true, correct and complete in all material
respects on and as of the Amendment Effective Date to the same extent as though
made on and as of that date, except to the extent such representations and
warranties specifically relate to an earlier date, in which case they were true,
correct and complete in all material respects on and as of such earlier date.

          (F)  Absence of Default.  After giving effect to this Amendment, no
               ------------------
event has occurred and is continuing or will result from the consummation of the
transactions contemplated by this Amendment that would constitute an Event of
Default or a Unmatured Event of Default.

     4.   MISCELLANEOUS

          (A)  Reference to and Effect on the Credit Agreement and the Other
Loan Documents.

                                       3
<PAGE>

          (i)    On and after the Amendment Effective Date, each reference in
the Credit Agreement to "this Agreement", "hereunder", "hereof", "herein" or
words of like import referring to the Credit Agreement, and each reference in
the other documents entered pursuant to the Credit Agreement to the "Credit
Agreement", "thereunder", "thereof" or words of like import referring to the
Credit Agreement shall mean and be a reference to the Amended Agreement.

          (ii)   Except as specifically amended by this Amendment, the Credit
Agreement and the other documents entered pursuant to the Credit Agreement shall
remain in full force and effect and are hereby ratified and confirmed.

          (iii)  The execution, delivery and performance of this Amendment shall
not, except as expressly provided herein, constitute a waiver of any provision
of, or operate as a waiver of any right, power or remedy of the Administrative
Agent or any Bank under, the Credit Agreement or any of the other Loan
Documents.

          (B)    Fees and Expenses.  Borrower acknowledges that all costs, fees
                 -----------------
and expenses as described in subsection 11.14 of the Credit Agreement incurred
by the Arranger, the Administrative Agent and their counsel with respect to this
Amendment and the documents and transactions contemplated hereby shall be for
the account of Borrower.

          (C)    Headings.  Section and subsection headings in this Amendment
                 --------
are included herein for convenience of reference only and shall not constitute a
part of this Amendment for any other purpose or be given any substantive effect.

          (D)    California Law.  The interpretation, enforcement and effect of
                 --------------
this Amendment shall be governed and controlled in all respects by and construed
according to the substantive laws of the State of California.

          (E)    Counterparts; Effectiveness.  This Amendment may be executed in
                 ---------------------------
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed and delivered shall be deemed an
original, but all such counterparts together shall constitute but one and the
same instrument; signature pages may be detached from multiple separate
counterparts and attached to a single counterpart so that all signature pages
are physically attached to the same document. This Amendment (other than the
provisions of Section 1 hereof, the effectiveness of which is governed by
Section 2 hereof) shall become effective upon the execution of a counterpart
hereof by Borrower and Majority Banks and receipt by Borrower and the
Administrative Agent of written or telephonic notification of such execution and
authorization of delivery thereof.

                  [Remainder of page intentionally left blank]

                                       4
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed and delivered by their respective officers thereunto duly
authorized as of the date first written above.

                                        HUGHES ELECTRONICS CORPORATION

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-1
<PAGE>

                                        BANK OF AMERICA, N.A., as
                                        Administrative Agent

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-2
<PAGE>

                                        MORGAN GUARANTY TRUST COMPANY OF NEW
                                        YORK, as Syndication Agent and a Bank

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-3
<PAGE>

                                        CITICORP USA, INC., as Documentation
                                        Agent and a Bank

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-4
<PAGE>

                                        THE CHASE MANHATTAN BANK, as
                                        Documentation Agent and a Bank

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-5
<PAGE>

                                        BANK OF AMERICA, N.A., as a Bank

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-6
<PAGE>

                                        BANKERS TRUST COMPANY

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-7
<PAGE>

                                        CREDIT SUISSE FIRST BOSTON

                                        By:___________________________________
                                        Name:
                                        Title:

                                        By:___________________________________
                                        Name:
                                        Title:

                                      S-8
<PAGE>

                                  [RESERVED]

                                      S-9
<PAGE>

                                        THE MITSUBISHI TRUST AND BANKING
                                        CORPORATION, NEW YORK BRANCH

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-10
<PAGE>

                                  [RESERVED]

                                     S-11
<PAGE>

                                        TORONTO-DOMINION (TEXAS), INC.

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-12
<PAGE>

                                        BANCA DI ROMA - SAN FRANCISCO

                                        By:___________________________________
                                        Name:
                                        Title:

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-13
<PAGE>

                                        THE BANK OF NEW YORK

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-14
<PAGE>

                                        CIBC INC.

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-15
<PAGE>

                                        ING LEASE INTERNATIONAL EQUIPMENT
                                        FINANCE B.V.

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-16
<PAGE>

                                        DEUTSCHE BANK AG NEW YORK AND/OR CAYMAN
                                        ISLANDS BRANCHES

                                        By:____________________________________
                                        Name:
                                        Title:

                                        By:____________________________________
                                        Name:
                                        Title:

                                     S-17
<PAGE>

                                        BANK ONE, NA

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-18
<PAGE>

                                        ALLFIRST BANK

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-19
<PAGE>

                                        THE FUJI BANK, LIMITED

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-20
<PAGE>

                                        THE INDUSTRIAL BANK OF JAPAN, LIMITED
                                        LOS ANGELES AGENCY

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-21
<PAGE>

                                        SANPAOLO IMI SpA

                                        By:___________________________________
                                        Name:
                                        Title:

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-22
<PAGE>

                                        UNION BANK OF CALIFORNIA, N.A.

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-23
<PAGE>

                                        BANK HAPOALIM B.M.

                                        By:___________________________________
                                        Name:
                                        Title:

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-24
<PAGE>

                                        THE FUJI BANK, LIMITED

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-25
<PAGE>

                                        MERCANTILE BANK NATIONAL ASSOCIATION

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-26
<PAGE>

                                        THE MITSUBISHI TRUST AND
                                        BANKING CORPORATION, NEW YORK BRANCH

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-27
<PAGE>

                                        WESTDEUTSCHE LANDESBANK
                                        GIROZENTRALE, NEW YORK BRANCH

                                        By:___________________________________
                                        Name:
                                        Title:

                                        By:___________________________________
                                        Name:
                                        Title:

                                     S-28

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