Say what you will about the P.O., but......
I discovered a huge mistake a short while ago when sending out tracking info to buyers from yesterday. I came across 2 labels, same tracking #, same address. WTF? Panic. Counting/sorting papers/checking PP shipping, etc.. Sent the guy a message telling him Merry Christmas. But, that means I sold 1 I no longer have to ship! Figuring the P.O. would not let the same tracking# through on 2 boxes, we called them. (after closing)They found the boxes, and then asked if I had another correct label ready. I quickly printed one and ran back to the P.O. and was met by the gal on the phone, with the 2 boxes. Slapped the new label on 1, and all is well.
Except for Sheldon. I felt like a monster telling him, no early Christmas; you gotta pay for everything in life today!