They are a huge online seller via etsy or Ebay, and both are simple enough to set up that I know barely-computer-literate senior citizens who are running home businesses this way.

But it really was just as suggestion for a way to broaden your revenue stream.

Keep them in mind as an idea for conventions, too. Our knitting group got together and staged a /raid/ on the nearest comic convention, complete with "WoW" style quest-givers in costume. So it's definitely around, if my little burg has it!