@Bob *********
the non O gives you 90 days thus allowing 30 days to open a bank account and deposit the
*****
0 baht for two months or more before applying for a 12 month extension. That is how people are doing it now. Not even agents can open a bank account for someone on visa exempt or tourist visa including DTV. The problem the OP has is that he is already in Thailand and for the above to work he should have applied for the non O before entering.