You are legally bound to honor the agreement. In this article, we will talk about the Arizona real estate purchase agreement and mandatory disclosures that sellers must make prior to the sale.1. Enter buyer's and seller's names. One of the terms to negotiate in an Arizona Purchase Contract is the amount of earnest money a buyer will deposit with an escrow company. Earnest Money is a deposit made during the purchase of a home, that the buyer pays in an amount of their choosing. PLEASE NOTE: The full amount of the offer must be submitted in cash or guaranteed funds (a Cashier's Check or Money Order). What to Clarify in Your AZ FSBO Contract? 3. Property. Fill out the street (physical) address of the property the buyer is purchasing. Include any unit or apartment number, if applicable. BROKER'S FEE: Buyer and Seller represent that they have not engaged any agent or broker incident to the sale of the Property.