Bmutha
Super Freak
You have to think about the opposite. If they were to let people over seas pay up front and the US dollar declines, some people, not sating anyone here, but some people would come complain that they over paid and want the difference back.
Yeah, that would be the risk. Personally, I know I would choose to pay it off 100% at the time of PO, most of the time.
"Set it and forget it"