eBay

I had somebody bid on an item as soon as it was about to end and then eBay told me that he won the bid and to ship out the item and so I did and then the guy never paid for the item so the guy got the item for free and it's a $260 item and I have the...

I already shipped a item I was selling to a bidder that won! And NOW he's NOT paying me AND it's a Sunday the post office is closed and I just don't no what to do from this point on? He already got my $200 item I have the tracking number and this guy...