The following hotels.com coupons have no minimum purchase and could get you hotels for free. Expires after 15,000 uses.
$30 off 3-star hotels: 3STARUS
$40 off 4-star hotels: 4STARUS
$50 off 5-star hotels: 5STARUS
For stays between August 25 and December 31, 2014.
Hotels.com