What works best for me is moving money from my US account to my Thai account via Wise, and then when I need cash I use my Thai debit card, so there's never an ATM fee, and most of the time I pay via QR scan anyways. I'm generally not too bothered by chasing the exchange rate much, it fluctuates, but I've seen it from 29:1 up to 38:1 during covid. Recently it's been around
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, and the difference in savings is small enough that I don't bother stressing about it, generally only a few dollars. Of course, if you are making a big purchase, such as buying a car or a condo, the exchange rate does become a bit more important as the savings scale