This agreement is contingent upon Purchaser obtaining approval of a. Conventional,. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price.BUYER agrees to purchase and SELLER agrees to sell the real property, and the improvements thereon, commonly known as: , in the County of. This FSBO paperwork is needed as soon as you accept an offer, so it's useful to have a purchase agreement onhand that you can fill out quickly. This sample form is for reference and educational purposes only. The use of these forms does not constitute legal representation or legal. The confidential income and expense data collected in the ASIE is used to improve assessed values of all properties similar to yours.