No need to install software, just go to DocHub, and sign up instantly and for free. Learn all about the essential paperwork needed for a successful sale on our blog.In this tutorial I will explain how to use Google Forms effectively to get reviews from past clients as well as your SOI. Edit, sign, and share texas purchase agreement contract online. 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. These forms are the legal documents the buyer and seller sign, putting the buyer's offer in writing and completing the transaction. In this guide, we'll walk you through the essential paperwork involved in selling your house without a realtor here in the Lone Star State.