For me easiest is chong mek because i live in ubon 1 hour and 25 minutes go and again for coming back went into laos waited duty free 20 minutes came inside thai no questions got DTV stamp was my first out and in too
also vietjet wheb flying to cambodia asked me for 500$ to show in cash they are the worst wouldnt let me check in not even in bht or in app only cash dollars
I opened bank account on a non IB BOI 3 month stamp first branch though said no before i could finish the sentence so f them and went to another branch that undwrstood very well what it was