What is the best website (OR membership) for last-minute travel Specials for Hotels and/or Rental Cars only?

What is the best website for last-minute travel Specials for Hotels and/or Rental Cars only? (I am not looking for package deals!) Or as an alternative, What is the best membership card program- ie- AAA, etc that offer good discounts at hotels? travelforless4utravelforless4u

travelforless4u