You'll need someone to draw up the purchase agreement. You'll need to verify funding (the buyer's).Pros and Cons of Being a FSBO ("For Sale By Owner"). Do I need a lawyer to sell my house in Minnesota? No, Minnesota law does not require you to hire a real estate attorney to sell your house. 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. A For Sale By Owner contract Minnesota must include: 1. The Purchase Price, 2. Curious about the paperwork for selling a house without a Realtor? You'll need to fill out or obtain at least 14 documents, including the purchase agreement, closing statement, and bill of sale.