Tigerman:From what Ive read and seen, good service has nothing to do with tipping as far as diving goes. You are to tip 10 dollars per tank or youre a cheapskate was more or less the impression I got from other threads..
Personally I think tipping in general has gotten out of hand and has become "expected" rather than a bonus. They should just call it "the 2nd bill" these days instead of tip...
I am not familiar with where you dive, and call me a cheapskate if you will, but I think $10 a tank is absolutely nuts.