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: If the seller is carrying a note, the terms should be included within the Purchase Agreement.During the Due Diligence Period, Purchaser will review the Acquired Assets and various aspects of Purchaser's potential acquisition of the Acquired Assets. Typically, this involves two documents: a financing agreement (basically a loan document outlining the details and terms of the loan) and a promissory note. A commercial purchase agreement is a legal real estate contract that transfers commercial property ownership from a seller to a buyer. Make sure the sales contract allows time for a careful review of the credit report.