A "Purchase and Sale" agreement between the wholesaler and the seller? Or; An assignment contract between the wholesaler and the buyer?In this video I'm going to show you how to do a purchase and sale agreement and an assignment agreement all together. Shop our selection of vehicle purchase agreement forms and We Owe forms. Choose what works best for your auto dealership. Real estate wholesaling involves finding properties for sale, putting them under contract and then finding a thirdparty buyer. Dealer to dealer wholesale agreement and bill of sale. Save paperwork and time. This is our most inclusive vehicle service contract. The only exclusions are the items listed on the "What is not Covered" section of your Service Agreement.