Red, this is NOT your fault. The Post Office has complete idiots working for it. This is awful. Thank the lord it has tracking on it. But, I would be filing a serious complaint with the Post Office for their lack of professionalism.
Hostessing the swaps has gotten really stressful. These were supposed to be fun! I have pretty much stopped joining the swaps because the mail is so high. I could buy new fabric from what I'm spending in postage. It's pathetic. And, they don't even bat an eye when telling you the price!