No need to install software, just go to DocHub, and sign up instantly and for free. Please fill out this form and we will get back to you with lightning speed.Learn all about the essential paperwork needed for a successful sale on our blog. The minimum requirement for preparing to list your home FSBO is to complete any state or locally required residential real estate sales disclosures. 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. A Texas residential purchase agreement outlines the terms and conditions of an offer to purchase real estate. A Texas purchase agreement solidifies the terms of sale for a residential property.