Book excerpt: Each day, more and more eBay sellers are getting serious about their enterpreneurial efforts. Whether they see their eBay business as a modest addition to their revenue or a potentially full-time venture, they need expert advice on how to do it right. In The eBay Business Answer Book, popular eBay University instructor Cliff Ennico provides readers with much-needed guidance in response to their most commonly asked questions, including: • What are the things I have to do—both online and offline—to start selling professionally on eBay? • Where do I find inventory? • Should I set up an eBay store? • My winning bidder won't pay me—what do I do now? • When do I charge taxes—and when do I pay them? • How should I keep track of all my eBay business records? • What do I need to know about dealing with international buyers? Filled with in-depth, easily understood answers to real questions readers can flip to as-needed, this is a one-of-a-kind resource for any eBay seller.