Won't Miss #121 - worrying about exchange rates

The flip-side to gaining advantage from exchange rates is that you have to always concern yourself with when to send money back. You gamble every time you decide to trek off to the bank and exchange currency that this is as low as it might go for the foreseeable future. Sometimes you find that you hit a sweet spot, and at others you find that if you had just waited a day or so longer, you'd have