Even if you have a Web site, your physical store may be listed in many places. If you move, update all those listings. This will take time. But it's time well spent. It needs them.
Publishing is the manufacture and distribution of a simple product.
Yet as Ken Auletta wrote in the New Yorker early this year, it's a dying business. Bookselling is a better business, but you need big volumes to profit. All this squeezes out small publishers. The solution should be obvious. Use the Web to represent these small sellers, and give them their full mark-up to ensure loyalty.