Originally Posted by
Dr. HFH
Starwood had (and may still have at those properties, IDK) such a program. They were promotion/rate codes: Z3R was buy two, get one free; Z4R was buy three, get one free, etc. IME those rates were sometimes, but far from always, good deals.
True, but there were different codes for hotels versus resorts, and generally one had to plug the code in during the search as there was no way to systematically verify which hotels participated.