Trust is part of the reason. There are 
irresponsible overseas bidders just as there are 
domestic ones. The sellers who were burned once 
may very well never sell internationally again.

There are other reasons too. If the seller does 
not understand English, how will you communicate 
with him? Web translators are barely adequate, 
and writing in romaji is not the best option. 
Maybe the seller does not want to deal with the 
hassles of shipping overseas or cashing in your 
international postal money order. Moreover, the 
seller may lose money waiting for your payment if 
the exc