We'll discuss seller financing for business and how it works, as well as highlight the pros and cons for both buyers and sellers. A seller financing addendum outlines the terms under which the seller of a property agrees to loan money to the buyer to purchase their property.An experienced Maryland business transactions attorney can draft a Purchase and Sale Agreement that is tailored to the individual transaction. Typically, this involves two documents: a financing agreement (basically a loan document outlining the details and terms of the loan) and a promissory note. Real estate law firm offering Maryland loan documentation for private party, seller-held financing and family held mortgage loans.