There is an app called Wise. It’s very good and most of us use this.
It will connect from your US account to your Thai account. Better exchange rates and it used to only be minutes to a day or so but recently I have had to wait 4-5 days.
This is a full immersion camp. As in live on the grounds. You can choose short term or up to one month (I believe). They do all levels. Check out the website.
there are a bunch of rules but to get the full term interest they guarantee you have to leave it a specific period of time. The interest is absolutely minimal so if you withdrew and lost that benefit it wouldn’t be impactful. There are others like no online banking, minimum deposit is 2000 baht and others I don’t remember. I opened it 5-6 years ago.
It could have changed since then but that’s what I remember and if being honest I don’t pay much attention because I deposited and forget about it.