An Arizona residential purchase agreement is a legal document outlining the terms and conditions for a buyer's purchase of residential property from a seller. This attachment should be given to the Buyer prior to the submission of any offer and is not part of the Residential Resale Real Estate Purchase.Get a comprehensive understanding of Arizona real estate purchase and sale agreements with our indepth overview and free template. 1. Enter buyer's and seller's names. 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. A Sales and Purchase Agreement (SPA) is a legal contract that details the agreement's terms and conditions. This comprehensive form includes critical aspects such as the purchase price, property description, and contingencies that protect both the buyer and seller. Purchase Price: Total cost, including deposits, down payments, and adjustments. Personal Property: Items included in the sale, such as appliances or furniture.