I am an e-seller located in Greece,am both selling via Auction sites
and my personal online site.

Biggest problem is receiving payments from US and European clients.You
either have to maintain a company in your Home country,create expensive
merchant accounts,accept online credit card payments...e.t.c (US
clients are very reluctant to give their credit card info to totally
strangers)

OR

use some of the 3rd part online Payment services like
Paypal.BUT...Paypal asks for a US based Bank account for 90% of
International sellers.Except France,Germany and a few others...Due to
the Patriot act after Sept. 11 NO US Bank will open you an account
except you go personaly there (in US) and provide them with a pack of
identifying documents (passport,Bank declarations,utility bills...)

Lets share our view on this matter...I made a wide research and am
ready to help anyone who has the same problem.