Learn what wholesaling is and how to wholesale real estate in California! Let the experts at Real Estate Skills get you started with our step-by-step guide.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. Real estate wholesaling involves buying a property, then quickly selling it to another buyer without making any significant improvements or repairs. Learn how to wholesale real estate in California: 1. In addition, wholesale trade can also include real estate. They will also help out when settling the agreement. A reassignment contract. This agreement allows the wholesaler to transfer the rights to purchase the property to the end buyer. The best thing to do is to print out both the assignment contract and the purchase agreement.