If you have at least enough savings to equal about 3 million Baht and an income to equal 60,000 Baht or more then you will be able to make the move rather easily. Thailand is a good place to live. Be sure to be of calm temperament.
Spend time in Thailand learning the answers. Moving here, you should bring one or two pieces of luggage and money. Nothing more. For one reason any wood furniture will attract Termites.
I do not understand why people have a problem with bank accounts. I went to Bangkok bank with my passport and some USA cash. Ten minutes later I had the bank book in my pocket and left the back.