When you register to bid on Grays On Line, you submit your credit card details. When you win an item the payment is automatically charged to your account. No waiting. No arguments. That's it!

Also, why can't ebay set up a cart system for BINs like every other online shop? Once you've finished your shopping you pay for what's in your cart. If you don't pay, there is no sale and the stock stays in the store.