there are more then a thousand groups talking about this already. Why not search on the original sources that also come in English at Ministry of Foreign Affairs in Thailand? Or even this site asq.in.th? Even on this group the info us here, people are just lazy and spam groups all over with the same questions over and over and over....
Cheapest way is to buy crypto at Bitkrub, send to US exchange and sell it for USD. Wise are thiefs and deemoney is very expensive. Also, Thai WU online (only) is also very cheap, 100thb regardless the amount and exchange rate is same has Thai bank.