In this tutorial I will explain how to use Google Forms effectively to get reviews from past clients as well as your SOI. First, include the property address as well as its legal description (found on the deed).Then go into detail about what is included or excluded from the sale. No need to install software, just go to DocHub, and sign up instantly and for free. How to fill out the TREC contract. wgtitle. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. A purchase agreement is most commonly used to create a transaction between a buyer and a seller of residential real estate. Provides buyers with a form to communicate their individual preferences in the home buying process.