The Texas Real Estate Lien Note is a oneway agreement in which the signer makes a promise to pay someone a specific sum of money at a specific time. A balloon payment is a lump sum that's due at the end of the loan term.It is good because it will: Lower your loan repayments. A balloon mortgage allows you to enjoy low monthly payments for several years — with a big catch. A balloon payment is a large, lumpsum payment due at the end of a mortgage or other loan. A balloon mortgage is one of many loan types you can get to buy a home. Balloon loans are short-term loans that provide the benefit of low monthly payments. Typically, an owner finance transaction is set up using three documents. Get a free quote today! As a direct lender, we pay top dollar for your mortgage.