DealNews' Jared Blank agrees that best-rate guarantees can be an effective tool - when they work. "If you believe you've found a fare or rate that qualifies for a match from a best-rate guarantee, you can save yourself a ton of time and trouble by reading exactly what the provider wants from you to prove you qualify for the price match," he says. Besides asking a company to honor a "guarantee" that's undermined by fine print, there are two proven strategies for dealing with worst-price problems. One is to throw technology at the problem. Remember, the other side is already using sophisticated computer systems designed to predict how much you're willing to pay. These yield management systems give travel companies an edge. So why not use similar technology to give you the edge? Get the full story at USA Today