Uh, yes you can. That’s why you can use soft power or any other method. If you don’t work remote or have 500k thb, then you shouldn’t be applying for the DTV under workation…. Neither will agents allow you to cheat and put themselves at risk by pretending to be your employer or lie for you.
Anonymous participant you have to apply from the country you’re in. If you go to a different country to apply, then you’ll just produce bank accounts from your home country, but they may ask for some additional evidence they are real if they doubt authenticity.
Anonymous participant a sponsorship letter is likely to be from your employer stating that your living expenses are covered under contract. Not the same as 500k balance…