Did you fall in love with the neighborhood? Do include some compliments about the property.Focus on three things: State your intentions, show that you have the financial means to make the purchase and make a personal appeal to the seller. Owners of any home built before 1978 must provide this disclosure to buyers before signing a purchase agreement. What you want to change about the house. Get a comprehensive understanding of Ohio real estate purchase and sale agreements with our indepth overview and free template. An Ohio purchase agreement establishes the terms and conditions of a real estate transaction. Step 1: Initial Details. Want to win your bid for a home? Make a compelling offer.