Well, seems they might make margin on accessory and postage etc, however, the math seems pretty clear -- they /can't/ sell it at $9 and break even, so there has to be a trick...
Personally, I'd rather give my money to guys like Olimex anyway -- a notch more expensive, however these guys are /spotless/ at making everything as open as they can, and in fact, they probably 'suffer' for it as many companies seem to use their (open) designs commercially...
Personally, I'd rather give my money to guys like Olimex anyway -- a notch more expensive, however these guys are /spotless/ at making everything as open as they can, and in fact, they probably 'suffer' for it as many companies seem to use their (open) designs commercially...