eBay

I'm trying to buy a bunch of items. I've never had problems with paying with my debit card (I don't do it that much, but when I can't use PayPal directly, I use my debit card). Now, when I try to pay, it just disappear, and when I try by checking out...

I have doubts about buying items from non-us sellers. I've always buyed from US sellers and I want to buy overseas, but I feel a bit doubtful about it. I'd like stories and experiences about buying overseas (shipping, communication, item quality, etc...