Jacuzzi

Houses are cheap. Interest rates are low. And the economy is improving. Even Warren Buffett says that housing might be the best investment today. So should you run out and buy a home? Not necessarily.

If you're looking for one of the best ways to book a hotel room dirt cheap, use a tool such as Priceline.com or call the hotel in the evening to get a room that would otherwise be empty. The Priceline.com app for the iPhone and iPad (which covers cars and hotels) makes this even easier, since you...