THIS OFFER TO PURCHASE REAL PROPERTY (the "Offer") is entered into between. A For Sale By Owner contract Michigan must include: 1.The Purchase Price, 2. Selling a property in Michigan? Seller and Purchaser desire to establish the terms, covenants and conditions upon which Seller will sell and Purchaser will purchase the Property. Department of Transportation. Download a Michigan residential purchase agreement template to define buyer and seller obligations, financing, and inspections. A Michigan residential purchase agreement is a legally binding document that details the terms of a home sale, including price, closing date, and contingencies. We signed an offer with a buyer over the weekend which has a contingency that they sell their house first. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller.