PARTIES: The parties to this contract are. (Seller) and. (Buyer).Purchase and Sale Agreement. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. This contract outlines the terms and conditions of the transaction, including the purchase price, payment terms, property condition, and closing details. With our free Sales Agreement form, you'll be ready to print or download your contract in no time. A Texas residential purchase agreement outlines the terms and conditions of an offer to purchase real estate. In this video, we're going to walk step-by-step through the 10 pages of the TREC One to Four Residential Resale Contract (Form No.