I sold some concert tickets on ebay and had them overnighted to arrive via USPS by noon on Friday (since the concert is today - Saturday). They guaranteed them to arrive by noon on Friday. This still haven't arrived. I called the USPS and they can't find the package. They have that I mailed it, but don't know where it is. They put a search on the package. It is now 3:30 and the concert is at 8:00. Looks like I am out $300!!! That was actually the face value of the tickets. I wasn't even making an money on this! NOW I am losing money!! 
