If you are really stress regarding the COR,get a agent to do it.This is just the begining,what follows will have more surprises leading to yr non o 1 year retirement.Be prepare.Land of smile.
Lately ,lots of changes.You can ask around with regards to banking process/requirement.Not all will be affected though.Tourist visa definately a no no.
Go get a prepaid sim card with any service provider and register in yr name.
(Ais or True)
Card is 50 baht and top up another 50 baht to get yr name register.The number will be yr permanent number if you just top up every niw and then. simple as ABC.