A For Sale By Owner contract Ohio must include: 1. The Purchase Price, 2.The subject matter of an offer must be stated with certainty. Generally, a business opportunity plan is an agreement in which a buyer pays a seller for the right to offer, sell or distribute goods or services. Ohio disclosure law requires sellers to disclose only those material defects or other information that they actually know about. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name and the individual or entity selling the property. Repairs: Regardless of how many properties are on the market, available buyers will always seek the best-priced property that's in the best condition. If you leave without completing the appropriate paperwork, your credit will not be reported. Adjusting documents with our comprehensive and user-friendly PDF editor is easy.