Who Buys from Me?

Ok , I am sitting here pondering what do I need to do for more sales on my Website? I don't have a clue except to ask people to visit the site and browse through it, sign up to my email address book and even ask me what they might be searching for as far as sports related memorabilia items are concerned. I mean, I have had this site for over a year now and I have a great supplier of team logo'd items from shotglasses to bird feeders that are made in the good ol' USA. I know ya'll have to have a favorite team out there, so why not visit and let me know what you think about how I can make my site better for you!
Thanks in Advance!!