A purchase agreement between wholesaler and the seller. I'm going to be showing you guys how to fill out a trek contract whenever you're wholesaling.Wholesale Real Estate Contracts: How To Fill Out (FREE CONTRACTS)! Review multiple versions with different use cases depending on your needs. The wholesale real estate contract in Dallas contains the asking price, the closing timeline, and other contingencies. With a contract assignment, the wholesaler never personally purchases the property. 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. This document reveals to the buyer information regarding the existence of lead paint in the residence.