A purchase agreement between wholesaler and the seller. In the state of Texas, you can wholesale properties using the TREC 1-4 Contract.Here is a video sharing what I have done before. A wholesale agreement is a contract that transfers the ownership of goods from an original seller to the buyer through an intermediary, called the wholesaler. Edit, sign, and share wholesale purchase agreement contract pdf online. No need to install software, just go to DocHub, and sign up instantly and for free. In today's video I'm going to go over actually how to fill out a purchase and sale agreement.