there is no objective truth regarding this. If those who have a bank account and are happy with that it's brilliant for them. When I came here 2x3 months every year I had good use of my account
that is written on the sign at the passport control at least the last 2 3 years : passport boarding pass and visa if applicable. So yes they need and want to see a boarding pass
yes they are very kind in Udon Thani π And fast. When I applied for my 1st 1 year extension of stay they were not happy with some of the photos and my wife's housebook had not been updated with the name change. We were told to just send what they asked for from the Line app π very good instead of having to go back.