Document:

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                                                                   EXHIBIT 10.15

                 SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT

         THIS SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT, entered into as
of the 23rd day of April, 2002, by and between RONALD A. POTTS, an individual
and resident of the State of Florida ("Purchaser"), and CHARLES B. HICKS, an
individual and resident of the State of Tennessee ("Seller").

                              W I T N E S S E T H:

         WHEREAS, the Seller and Purchaser previously entered into that certain
Purchase and Sale Agreement for the purchase of certain real property located in
McMinn County, Tennessee, dated April 16, 2002, as amended by that certain
Amendment to Purchase and Sale Agreements dated April 16, 2002 (as amended, the
"Purchase Agreement"); and

         WHEREAS, Seller and Purchaser desire to amend the Purchase Agreement as
set forth hereinbelow:

         NOW, THEREFORE, for and in consideration of the sum of TEN AND NO/100
DOLLARS ($10.00), the mutual covenants contained herein, and for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto, intending to be legally bound, agree as
follows:

         1.       Defined Terms. All capitalized terms used herein shall have
the same meaning as in the Purchase Agreement, unless otherwise expressly set
forth herein.

         2.       Conveyance. Section 14(b) of the Purchase Agreement is hereby
amended by adding the following language as Section 14(b)(xiii): "Consent of
Seller's lender to the assumption of the indebtedness on the Property by
Purchaser, in such form as is reasonably acceptable to Purchaser."

         3.       No Further Modification. Except as expressly modified hereby,
the Agreement shall remain unamended and in full force and effect and is hereby
ratified and confirmed by the parties hereto.

         4.       Execution Counterparts. This Agreement may be executed in
multiple counterparts and by facsimile signature to be followed by original
signature, each of which shall be deemed an original and all such counterparts
together shall constitute one and the same instrument.

                      [SIGNATURES APPEAR ON FOLLOWING PAGE]

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         IN WITNESS WHEREOF, the parties hereto have caused this instrument to
be executed under seal, to be effective as of the date and year first above
written.

                                        SELLER:

                                        CHARLES B. HICKS

                                        /s/ Charles B. Hicks
                                        ------------------------------- (SEAL)

                                        PURCHASER:

                                        RONALD A. POTTS

                                        /s/ Ronald A. Potts
                                        ------------------------------- (SEAL)<PAGE>
                                                                   EXHIBIT 10.16

                     THIRD AMENDMENT TO REAL ESTATE SALE AND
                               PURCHASE AGREEMENT

         THIS THIRD AMENDMENT TO REAL ESTATE SALE AND PURCHASE AGREEMENT (this
"Amendment") is made as of the 24th day of June, 2002, by and between CHARLES
B. HICKS, an individual and resident of the State of Tennessee (hereinafter
referred to as the "Seller"), and RONALD A. POTTS, an individual and resident of
the State of Florida ("hereinafter referred to as "Purchaser").

                        W I T N E S S E T H  T H A T:
                        - - - - - - - - - -  - - - --

         WHEREAS, Purchaser and Seller are parties to that certain Real Estate
Sale and Purchase Agreement dated April 16, 2002, as amended by that certain
Amendment to Purchase and Sale Agreements dated April 16, 2002, and as further
amended by that certain Second Amendment to Purchase and Sale Agreement dated as
of April 23, 2002 (as amended, the "Agreement"), with respect to certain real
property located in McMinn County, Tennessee, as more particularly described in
the Agreement; and

         WHEREAS, Purchaser and Seller desire to further modify and amend the
Agreement in certain respects;

         NOW, THEREFORE, for and in consideration of the premises and other good
and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, Purchaser and Sellers hereby agree as follows:

         1.       Defined Terms. All terms used in this Amendment with an
initial capital letter which are not otherwise defined herein shall have the
meanings given to such terms in the Agreement.

         2.       Purchase Price. From and after the date hereof, the Agreement
is hereby amended by deleting Section 3 in its entirety and inserting the
following in lieu thereof: "In consideration for the Property, Purchaser shall
pay to Seller the sum of Five Million Four Hundred Thousand and No/100 Dollars
($5,400,000.00) as follows: (a) at Closing, Purchaser shall deliver to Seller a
total of Two Million (2,000,000) shares of Oasis Group, Inc. common stock held
by Purchaser, which shares shall be subject to the Registration Statement filed
by Rainwire Partners, Ltd. on Form S-4 (the "Registration Statement") currently
pending with the Securities and Exchange Commission. The shares will also be
subject to a lock-up agreement restricting the sale of shares to 200,000 per
calendar quarter commencing ninety (90) days after the effective date of the
Registration Statement, (b) assume the existing indebtedness in the amount of
Six Hundred Thousand and No/100 Dollars ($600,000.00) in favor of and payable to
Citizens National Bank of Athens, (c) assume two (2) options of Holiday Group,
LLC, with a note payable in the amount of Two Million and No/100 Dollars
($2,000,000.00) to Holiday Group, LLC, and (d) pay the sum of Four Hundred
Thousand and No/100 Dollars ($400,000.00) by certified check or by wire transfer
of immediately available funds."

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         3.       Ratification. Except as expressly modified hereby, the
Agreement shall remain unamended and in full force and effect and is hereby
ratified and confirmed by the parties hereto.

         4.       Counterparts. This Amendment may be executed in multiple
counterparts, each of which shall constitute an original and all of which taken
together shall constitute one and the same instrument.

        IN WITNESS WHEREOF, Purchaser and Seller have entered into this
Amendment as of the day and year first above written.

                                           PURCHASER:

                                           /s/ Ronald A. Potts           (SEAL)
                                           ------------------------------
                                           RONALD A. POTTS

  Date of Execution:

------------------------------

                                           SELLER:

                                           /s/ Charles B. Hicks          (SEAL)
                                           ------------------------------
                                           CHARLES B. HICKS

  Date of Execution:

------------------------------

                                       2<PAGE>
                                                                   EXHIBIT 10.17

                    ASSIGNMENT AND ASSUMPTION OF REAL ESTATE
                           SALE AND PURCHASE AGREEMENT

         This Assignment and Assumption of Real Estate Sale and Purchase
Agreement (this "Assignment") is made and entered into as of the 24th day of
June, 2002, by and between RONALD A. POTTS, an individual and resident of the
State of Florida ("Assignor") and OASIS I-75 I-40, LLC, a Tennessee limited
liability company ("Assignee").

                              W I T N E S S E T H:
                              - - - - - - - - - -

         For and in consideration of Ten and 00/100 Dollars ($10.00), the terms
and conditions of this Assignment and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, Assignor does hereby
assign, transfer, set over and convey to Assignee all of Assignor's right,
title, interest, powers, privileges and benefit in and to that certain Real
Estate Sale and Purchase Agreement dated April 16, 2002, by and between
Assignor, as "Purchaser," and Charles B. Hicks, an individual and resident of
the State of Tennessee, as "Seller", as amended by that certain Amendment to
Purchase and Sale Agreements dated April 16, 2002, and as further amended by
that certain Second Amendment to Sale and Purchase Agreement dated June 24,
2002 (as amended, the "Contract"), and all of Assignor's right, title and
interest in and to all Earnest Money (if any) deposited in connection with the
Contract, and Assignee does hereby accept all of the right, title, interest,
powers, privileges and benefits of Assignor in and to the Contract and said
Earnest Money and hereby assumes and agrees to perform, discharge and fulfill
all of the duties and obligations of Assignor under the Contract.

         IN WITNESS WHEREOF, Assignor and Assignee hereunto set their hands and
seals on the day and year first above written.

                                   ASSIGNOR:

                                   /s/ Ronald A. Potts                   (SEAL)
                                   --------------------------------------
                                   RONALD A. POTTS

                                   ASSIGNEE:

                                   OASIS I-75 I-40, LLC, a Tennessee limited
                                   liability company

                                   By:  /s/ Ronald A. Potts
                                      -----------------------------------------
                                   Name: Ronald A. Potts
                                        ---------------------------------------
                                   Title: Authorized Representative
                                         --------------------------------------

                                                     [COMPANY SEAL]

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