Ok, so far I've been invoiced for one item.  I bid and won on Out Run for 720 jpy.  Shipping in Japan was 160 jpy, and the commission was $6.  And I've been invoiced $23.10 which is a disparity of $12.3.  Anyone know where this has come from?
I'm hoping they've calculated shipping of some kind, which they'll then combine with other items, because that's a 50% increase in price.
Wait, they've added "handling" of $3, but I still don't see the disparity: