The Skinny on Thursday's Birthday Bash Sale-A-Thon

I've spent all day today putting together the how to's and what to's for Thursday's Birthday Bash Sale-A-Thon (Woot-Off Style). The trickiest thing was trying to figure out how to keep you from having to place multiple orders, resulting in my issuing multiple refunds for excess shipping. And not knowing whether you're done shopping or not, leaving a bunch of semi-ready orders sitting there