All great 13 tips. I recently listened in on eBay radio to 10 powersellers each giving 5 selling tips. The url is www.50sellingtips.com and some great info on there to. Be sure to have a pen and paper ready when you listen to. I also have mentioned it on my blog recently www.marcsampson.com
Regarding these 13 tips, I particularly like to tips about creating yourself an identity and also selling what buyers want, not want you know.
Marc.