Much better to apply in your homecountry, where the Embassy staff is familiar to the kind of documents, that should get you the DTV.
and you can save big bucks on traveling to a 3 country and have to stay there at a hotel for the duration of the visa proces, instead you can wait “for free” in the comfort of your home for the visa to be approved.
If you are shocked then it is because you didn't do a proper research before trying to open a bankaccount.
It is commen knowlegde that it is next to impossibel for foreigners to open a bankaccount in Thailand, lots of posts in the group tell that.
Banks in Thailand are like everywhere in the world, interested in having good stable custormers, that have a permanent address, a steady easy traceable income, and use the account all year round.
That is why the banks are reluctant to give accounts to people on short time ( read: tourist ) visas, and who only spend part of the year in Thailand.
Don’t expect to get a residence certificat, until you have stayed at a permanent adress in at least 3 month, since that is what the residence certificat should confirm.
Furthermore the added attention on whitewashing of money, is an added burden on the banks, so reluctant depositing large amounts isn’t a guaranteed way to open an account.
The value of a resident certificat, had gone down, since Immigration Officers are giving them to people that are not on a longterm visa, or have stayed severel months at 1 adress in Thailand, so even if it is a formal requirement, the bank make up their own assesment of the stability of the want-to-be customer.