He explains in detail how to use the standard Texas Real Estate Commission (TREC) 10page contract with the Seller. The zero down seller finance deals are coming from the third thing in the third way that sellers sell their house which is direct to an investor.1. Identify the buyer and seller in the agreement. I'm going to be showing you guys how to fill out a trek contract whenever you're wholesaling. The laws concerning the regulation of alcoholic beverages may be found in the ABC Act (starting with Section 23000 of the Business and Professions Code). He has almost 30 years of experience in water utility operations and management. A registered professional engineer in Texas.