A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. PARTIES: The parties to this contract are.(Seller) and. (Buyer). The Buyer agrees to pay. By signing this contract, I choose to purchase the motor vehicle on credit according to the terms of this contract. A purchase agreement is a form used for making an offer on a home. It contains a set of conditions and contingencies that are presented to the seller of a home. A Texas residential purchase agreement outlines the terms and conditions of an offer to purchase real estate. Download our free blank purchase agreement template in Word or PDF format: sample real estate purchase agreement template. A purchase agreement is most commonly used to create a transaction between a buyer and a seller of residential real estate.