In 1995, when Pierre Omidyar introduced an online business venue that was essentially a virtual garage sale with auction pricing, no one knew a retailing revolution was about to occur. That site became known as eBay, and it's hard to find someone today who hasn't at least heard about the popular online auction company.

What's important to understand from the start is that eBay is a sales channel that you can use exclusively or in addition to selling through a retail operation, mail order catalog, independent Web site, or network of direct salespeople. You decide the type of business you want to have, what type of merchandise you