they can't say their wife was a hooker met at the bar so they'll make up the story that they met here while she was on vacation/visiting a friend or a relative. I heard this story hundreds of times....
that's what the greatest majority of farangs do but only 1% of them will admit they found their wife at the bar, the other 99% will say they found the wife in a remote village or while she was on "vacation"... lol
as the other folks said, you MUST attend your class in person in order to get a ED visa. Then you know, this is thailand and money can buy a lot of things but then don't complain if things go wrong, you got warned
u already got asked questions the last time u got in and that was a red flag. It's really likely you will get denied if you get back with a tourist visa within the next
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months. I also heard this story that there are some immigrations agents that will not ask u questions in exchange of $$$ but it's also true that there are a lot of scammers who will just get your money promising something they can't do. you can legally buy and elite visa, that's your answer
I'd suggest Taiwan, it's probably the best place in the world for living, it's a bit pricer than thailand but really safe and clean. Taipei is much more livable than bangkok and you could probably get 3 months of visa exemption that could turn into 6 with a quick border bounce