You need to have a good understanding of the market. Once you've found the home in Green Valley AZ you wish to purchase, I'll work with you to structure an offer based on property and market conditions.An offer is just a contract with only buyer signature on it. It will become a binding sales contract after the seller agrees to it and signs it. In Arizona, we have a special form called a Pre-Qualification Form. In this video we're going to cover how a purchase contract works. What is in an Offer? Remember, in a real estate transaction, verbal agreements mean nothing! 6. Contract Acceptance – a meeting of the minds. Description Of Property: An Arizona real estate purchase contract must also describe the property sold in the transaction.