the ussual steps :
receive dollar -> put it into coffer -> exchange it later.
those steps change to :
receive dollar -> exchange it to local currency (gets an addon extra charge inflationary rates) -> put it into coffer.
You're missing one important step:
receive dollar -> exchange it to local currency (gets an addon extra charge inflationary rates) ->
give some to the local corrupt police -> put it into coffer.
Otherwise you end up in jail...
