The document informs the seller of the amount the buyer is willing to pay and specifies various terms the seller must satisfy if the buyer agrees to the sale. How to fill out the Texas Wholesale Purchase Agreement Contract PDF?Property Code, requires Seller to notify Buyer as follows: The private transfer fee. Looking for a Texas real estate purchase agreement template? Download this free version today. PARTIES: The parties to this contract are. (Seller) and. (Buyer).