not exactly. If you are out of the US 330 or more days you can use the FEIE to exclude the first 120k of income for federal taxes. Thailand could tax you for that amount.
I moved my family to this last year. It was an easy process I felt. I spend less than half the year in Thailand. The BOI office was nice to deal with in person but not always easy to get on the phone. Email was no problem
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