As with every other forum on the planet that has a marketplace, we need to adopt a few simple 'Marketplace New Thread Creation' stipulations/conditions that when/if not met, result in a Deleted Thread.
...Rule #1 being:
LIST WHERE YOU ARE SHIPPING FROM OR WHERE YOU ARE FROM
I must admit it's annoying when sellers or buyers assume everyone US is the only country in the world. I won an auction once, the seller mentioned free shipping everywhere but then decided that he won't ship to Europe after
I had won the auction. It was a very little amount and we came to an agreement but a bitter taste remains.