A good tip: If you find yourself screwed at the last minute because of that (or you're just in a tight spot and really need a place for the night) try the stand

A good tip: If you find yourself screwed at the last minute because of that (or you're just in a tight spot and really need a place for the night) try the standby list feature that they have. I've tried this twice, once in Boston and once in NY and within 15 minutes the replies come pouring in, often at a discounted rate by people who want to fill their rooms for the same night.