Perhaps consider obtaining a Non O-A visa, pay the premiums for Thai insurance, then after arriving you open a bank account, deposit funds, and then convert to a Non-O in country when the Non O-A expires.
Here’s a website that has a plethora of information regarding Thai income tax. Check it out. They have a great handbook you can download. Look specifically at double taxation agreements, what constitutes a Thai tax resident, etc.
will you be in Thailand more than 179 total days in 2025. The answer to this one question will determine what happens next!
I think this may have been stated more directly by Bangkok Bank as follows: “Bangkok Bank will require that the account holder has held these funds in the account……..”
well, if one meets the visa extension requirements of having the funds on deposit for two months there will be no problem obtaining the letter from the bank. I don’t see a problem if one is complying with Thailand’s immigration requirements.