I just bought a brand-new book off Amazon entitled "Starting Your Online Auction Business" by Dennis Price [Prima, 2000]. Flipping through, I like what I see so far because it's not just another introduction to auctions. I see a ton of material devoted specifically to the nuts and bolts of setting up as a business, information I've found difficult to assemble. I've gone through a bunch of small business books but it will be useful to have a handbook specifically geared to this form of sales.
some of the useful topics include business management, licenses and taxes, selling as a part-time job, and where to get inventory.
Just FYI in case anyone else would find this useful.