A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. Download a free Arizona residential purchase agreement template outlining terms for buying and selling property.On the terms and conditions contained in this Agreement,. Get a comprehensive understanding of Arizona real estate purchase and sale agreements with our indepth overview and free template. Document the sale of real estate. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name.