As reported by the BRG Blog: Hotels.com Five Star membership. Free upgrade and free night. Proof of 3 stays needed 1. follow "register" link and sign up; obtain Fivestar membership 2. demonstrate/prove you had 3 stays (or 5 nights) in any hotel(s) NOT booked through hotels.com 3. book 1 night through hotels.com 4. use your code to book a FREE night of equal or lesser value than the one you booked for step 3 (this is the "deal") Register: http://www.keycardcollectors.com/howItWorks.html Description: http://www.hotels.com/deals/fivestar_terms/ Register, prove you stayed in 3 different hotels (or for 5 nights) since 1/1/11 and you get 10 free "nights" to earn one free "night." After that you should get a free night and free upgrade. You can prove by email (email@example.com), mail or fax.