Mae Jo 30k p.a. 450bt.(350 caddy 100green fee). Plus tip minimum 300. Works out to about 950 baht per round if playing 3 times a week.
Super rich is usually about 30 to 40 satung better than TT bank exchange and you are correct, cash only. SCB are 39.84 as I post this for TT exchanges, I have no idea what other methods are available.