In an FSBO transaction, it is your responsibility to draw up the contract. However, many people choose to hire a real estate lawyer to draw up the contract.This guide will walk you through the paperwork for selling a house without a Realtor and various other steps that can give you a leg up. Illinois requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. Selling your home FSBO? This comprehensive guide delves into the process of buying a house from a family member, covering the legal framework, advantages and disadvantages. FSBO Paperwork Forms. Just disclose everything to the buyer and make sure you understand the market. Illinois law requires you, as a home seller, to tell a prospective buyer, in writing, about any material defects on the property that you actually know about.