AuctionCut

Where is he best place to advertise your ebay shop?

One of the key areas is in the signature positions on the Ebay related forums..also lots of places operate ebay shop collections...your own Ebay Loss Leader Auctions and replace the list building with pushes to your shop...business cards in local areas....the list is endless.

Don't forget to include your eBay shop URL in the sig in all your emails. You can also set up your standard emails in eBay to display your shop url, so when you inform your customers that their payment has been received, their item has been dispatched, etc. etc. your url is included in your sig in all these.