Once you get an appointment, suggest to leave wife at au bon pain close by, they won't let her in and she can keep your backpack that they also won't let in, the service there has gotten crazy
If you dont have a history of staying in thailand long term the past 2 to 3 years, eg covid or ed extensions and If you only want to bounce in and out of Thailand for 3 or 4 months with side trips a regular visa exempt 30 + 30 extension should be fine 2x, not clear how much time you spent here since 2020?
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