eBay Motors is on pace to reach $3 billion in sales this year. A car or truck is sold every 60 seconds on eBay Motors. A sports-utility vehicle sells every 21 minutes. eBay Motors is the most-visited used vehicle website on the Web. With more unique shoppers every month than Cars.com, AutoTrader.com, and Yahoo Autos combines. eBay Motors sells more cars in an hour than most dealers sell in a day, often a week and in some cases, a month. Over the last few years I have purchased three Mercedes SL convertibles, a Lexus 300, a Taurus SHO, a Mitsubishi Eclipse convertible, a PT Cruiser, a Toyota Camry, a Chrysler Sebring convertible, a Nissan Maxima, and several other cars from sellers on eBay Motors. Not all of these cars were for myself of course. Some were for friends and relatives who asked me to help them get a great car on eBay Motors. They knew that I had purchased a half dozen cars for myself, so they asked me to help them out, which I gladly did. I haven't added it up, but I know I've personally spent over $50,000 on eBay Motors. Then one day it hit me: if I was spending all that money to buy cars, there are sellers on the other side of the fence who ...