eBay

I have received offers the past 2 days. When I press the reply to offer button, the offer either disappears or the program gets stuck in "loading" mode

A buyer has purchased 4 items. How do I generate an invoice and figure the combined shipping cost

I sold a "set" of 5 pins stamped 1 of 5 thru 5 of 5 on the back. I also include 2 chasers, that were from a 20 pin set of chasers. The 2 I sent were the only chasers pertaining to the 5. The buyer is complaining that this is not a "set" since it does...