What could be more fun than a Las Vegas vacation? How about a low cost Las Vegas vacation? By doing a little research and naming your own price, you can save a significant amount of money on airfare and car rentals.

Of course, the granddaddy of the name-your-own-price websites is Priceline.com. Navigation is simple. You go to the site and enter your destination, the days you will be traveling, and how much you want to pay for your car rental and airfare. (Priceline also handles hotel fares.) Priceline compares your bid against what is currently available. If it finds a match, your bid is accepted.

Priceline can provide airline tickets and rental cars at astonishingly low prices, but it does have a few drawbacks. Priceline is known as an opaque seller