WASHINGTON - Hawking baby and children's clothes — along with some garage sale and thrift store bargains — on eBay helps Sunni Wojnarowsky bring in some extra money so she can afford to stay home with her two young boys. The additional dollars are great, but does she really need to hassle with the paperwork and report her small profit to the Internal Revenue Service (news - web sites)? Her question, posed to the online auction site's discussion board for sellers, generated much advice — and more confusion. In tax law, there is no clear, bright line that separates fun...