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. 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.How to fill out the Arizona Residential Resale Real Estate Purchase Contract? An Arizona purchase agreement facilitates the sale of real estate for an agreedupon price between the buyer and seller. How to properly fill out the Arizona Association of Realtors Resale Purchase Contract using Dotloop. Arizona Purchase Contract Training. Download a free Arizona residential purchase agreement template outlining terms for buying and selling property. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price.