Download a free wholesale real estate contract and assignment contract that you can use in your real estate wholesaling business. This episode is ALL about wholesale purchase contracts!!In this step-by-step guide, we'll show you exactly how to wholesale real estate in Ohio with our proven step-by-step wholesaling process. In this video I'm going to show you how to do a purchase and sale agreement and an assignment agreement all together. Learn how to wholesale real estate in Ohio: 1. An Ohio purchase agreement establishes the terms and conditions of a real estate transaction. An Ohio residential purchase agreement is a contract between the buyer and the seller of a residential property. Therefor I'm representing myself as the seller. I'm curious as to how to fill out the disclosure form and stait my interest in the transaction.