I had the same issue with Kasikorn but the printout required had to show that the details that AIS held showed that my name, address and passport number all matched
The reason that authorities are cracking down on visas is because people are abusing the system. If you are not a tourist, i.e. your intention is to stay long term then you should apply for the appropriate visa.
If you have a Thai bank account the amount and charges vary according to the bank. I have a Kbank account. 30,000 baht is the limit for a single card less withdrawal (using my mobile phone) there is no charge and I can withdraw multiple times.