Seller financing makes buying or selling a business easier: It's a loan from the seller to the buyer to help pay for the purchase. Discover seller financing in Texas, key legal documents, compliance tips, and how a real estate lawyer ensures smooth property transactions.This Addendum is used when the Seller is financing all or a part of the purchase price. 26-8 Redline 11.2022. Seller financing allows business buyers and sellers to remove the middleman (bankers) and work together directly to come up with a funding deal. Seller financing can be used to defer capital gains taxes on the sale of a business or property. A seller and buyer should consult with a real estate attorney before entering into a contract that calls for seller financing. In seller financing, the business owner selling the business acts as a lender. Here's how you can use it to sell or buy a business. Seller financing is relatively straightforward the seller provides a loan to the buyer to help finance the purchase of the business.