I stated, if you read correctly, which I am not sure you did, that when you use a non Thai issued ATM to with draw funds, you are hit with a 5% fee . This is in addition to the 220 baht. Was implemented by the banks here in November 2023. Pay attention.
Never paid an agent for anything. Did on my own. I don't transfer money monthly. Having
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sitting in an account is not an issue for me. At least I never have to be concerned about any potential problems in staying here. Getting $ 750 interest on the money in the states barely covers the cost of an agent. I pay $ 25. To transfer money, regardless of the amount. Use Thai ATM card and no 220 baht fee when withdraw. That might be classified as Smart. Certainly paying 220 for every withdrawal wouldn't.