O forma de promotie in care banii si dovada achizitionari unui produs (capace, etichete, etc) sunt schimbate pentru un articol, de obicei vandut sub pretul normal, numit si self-liquidating premium.

a form of consumer sales promotion in which money and proof of purchase of a product (package tops, labels, etc) are traded in for an item of merchandise, usually sold below normal retail price; also called a self-liquidating premium.