If your client can't find an acceptable replacement property in time or just wants an exit strategy from real estate, the structured installment sale could be an excellent alternative. (realtormag.realtor.org)
(1) The finance charge in a retail installment sale shall not exceed the following rates: Class 1. (lawyerist.com)
This structure is often referred to as a seller carry back note, seller carry back financing or installment sale treatment. (exeter1031.com)