With our free Sales Agreement form, you'll be ready to print or download your contract in no time. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price.OFFER: A. THIS IS AN OFFER FROM________________________________________________________________________("Buyer"). Use our template to outline the details such as the purchase price, earnest money deposit, contingencies, and other crucial aspects governing the transaction. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name.