In Reply to: Changing Money posted by lovely bali on Friday, 17. December 2010 at 17:53 Bali Time:
$100 at a time (depending on the number of people you are supporting)
This makes it easier to calculate, and also avoids having to "store" a significant wad of rupiah somewhere.
It would not be expected that the rate will fluctuate to any significant degree just because it's Christmas.