For comparison shopping made easy, head to Strong Numbers, the self-proclaimed "Blue Book for Everything." It calculates its prices by sifting through the numbers at innumerable online auctions-in no time at all. A recent request for info on the Handspring Visor Deluxe yielded an average price of $226. Lots of merchandise categories are represented here, so the next time you want to know whether a good deal is exactly that, ask Strong Numbers for its verdict.
Robert McGarvey is the author of How to Dotcom(Entrepreneur Press).