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 properly fill out the Arizona Association of Realtors Resale Purchase Contract using Dotloop.I'm trying to start up my business, but I was wondering where can I find legitimate contracts templates for wholeselling I Arizona. Residential Resale Transaction Forms. A For Sale By Owner contract Arizona must include: 1. The Purchase Price, 2. When you fill out a contract form, it's just an offer from you to buy the home with the stated price and terms. Get a comprehensive understanding of Arizona real estate purchase and sale agreements with our indepth overview and free template.