Document:

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                                                                    EXHIBIT 10.4

                    AMENDMENT TO PURCHASE AND SALE AGREEMENTS

         THIS AMENDMENT TO PURCHASE AND SALE AGREEMENTS, entered into as of the
16th 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 those certain
Purchase and Sale Agreements for the purchase of certain real property located
in Sauk County, Wisconsin, along Tennessee Highway 66, in Sevier County,
Tennessee, along Mount Road, in Sevier County, Tennessee, along U.S. Interstate
75, in Knox County, Tennessee, and in McMinn County, Tennessee, dated of even
date herewith (the "Purchase Agreements"); 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 Agreements, unless otherwise expressly set
forth herein.

         2.       Closing Costs. The Purchase Agreements are hereby amended by
providing that all closing costs, including, without limitation, inspections of
the Property, title examinations, surveys, transfer taxes, delinquent real
property taxes, recording fees and attorneys' fees shall be paid solely by
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 on Following Page]

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         IN WITNESS WHEREOF, the parties hereto have caused this instrument to
be executed under seal by their respective duly authorized representatives on
the dates indicated below, 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 10.5

                 SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT

         THIS SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT, entered into as
of the 23 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
Sauk County, Wisconsin, 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.       Purchase Price. The Purchase Agreement is hereby amended by
deleting Section 3 in its entirety and replacing it with the following:

In consideration for the Property, Purchaser shall pay Seller the sum of Six
Million Seven Hundred Ninety-Eight Thousand Two and 00/100 Dollars
($6,798,002.00) at the Closing as follows: (a) Purchaser shall deliver to Seller
the sum of One Million Seven Hundred Forty-One Thousand (1,741,000) shares of
Oasis Group, Inc. common stock held by Ronald A. Potts placed at Three Dollars
per share; (b) Purchaser shall assume that certain Promissory Note (the "Baraboo
Note") in the amount of Nine Hundred Seventy-Five Thousand Dollars ($975,000.00)
payable to The First National Bank and Trust Company of Baraboo ("Lender"),
located at Main-Commercial, 502 Oak Street, Baraboo, Wisconsin 53913, Loan
number #366000511600; and (c) Purchaser shall deliver a promissory note in favor
of Seller in the amount of Six Hundred Thousand and 00/100 Dollars
($600,000.00), which note shall be for a term of one (1) year, at an interest
rate of five percent (5%), with a balloon payment of all principal and interest
due upon maturity.

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         3.       Conveyance. Section 13(b) of the Purchase Agreement is hereby
amended by adding the following language as Section 13(b)(xviii): "Consent of
Lender to the assumption of the Baraboo Note by Purchaser, in such form as is
reasonably acceptable to Purchaser."

         4.       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.

         5.       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.

         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 10.6

                     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 ("Potts") and PEGGY EVANS, an individual and resident of
the State of Georgia ("Evans") (Potts and Evans are hereinafter collectively
referred to as "Purchaser").

                                 WITNESSETH THAT:

         WHEREAS, Purchaser and Seller are parties to that certain Real Estate
Purchase and Sale Agreement dated April 16, 2002, as amended by that certain
Amendment to Purchase and Sale Agreement 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 Sauk County, Wisconsin, 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.       Purchaser. From and after the date hereof, the Agreement is
hereby amended by amending the definition of the term "Purchaser" to include
"Peggy Evans, an individual and resident of the State of Georgia ("Evans")."

         3.       Purchase Price. From and after the date hereof, the Agreement
is hereby amended by deleting subsection 3(a) in its entirety and inserting the
following in lieu thereof: "In consideration for the Property, Purchaser shall
pay to Seller the sum of Six Million Seven Hundred Ninety-Eight Thousand Two and
No/100 Dollars ($6,798,002.00) as follows: at Closing, Purchaser shall deliver
to Seller a total of Four Million Three Hundred Fifty-Two Thousand Five Hundred
(4,352,500) shares of Oasis Group, Inc. common stock consisting of One Million
Six Hundred Thousand shares held by Evans, and Two Million Seven Hundred
Fifty-Two Thousand Five Hundred (2,752,500) shares held by Potts."

         4.       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.
<PAGE>

         5.       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.

                      [SIGNATURES APPEAR ON FOLLOWING PAGE]

                                       2
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        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:

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

                                   /s/ Peggy Evans                        (SEAL)
                                   ---------------------------------------
                                   PEGGY EVANS

Date of Execution:

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

                                   SELLER:

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

Date of Execution:

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

                                       3

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