Just opened bank account. On the residence paper, bring your tm30 to immigration and ask specifically for a residence certificate “to open bank account”.
I went to the bank the first time with a certificate of residence issued to “buy a bike” but not accepted
the theory test is not easy at all. The main problem is that the questions and answers are in a very broken English. You need to try to understand the meaning, memorize the question and the answer. 50 question, pass at 45 right.
I practiced with the application Thai Drive. Quite useful and free.