Selling to foreign countries is simple. I use paypal and require all funds in US dollars, buyer pays shipping, and zero guarantees. Filling out customs forms is simple, takes just a few seconds. I use a small post office, speedy lines if any. The only country I've hd issues with is Canada, miserably s=l-o-w delivery and mangled packages on arrival, not to mention abysmally even s-l-o-w-e-r shipments to me, so I don't buy from my neighbors to the north any more.