Are you suggesting that, when utilizing dive services (or any services) in Asia, a person from a low-tipping or no-tipping country such as some in Europe or maybe Australia should be expected to tip as much as we who are from the country that the rest of the world thinks of as crazy-high tipping?What I have need noticing in Asia lately young divers don't tip at all. I was at scubajunkies in Sipadan and most youngsters were not tipping. I have done Komodo and Raja Liveaboards with Europeans and they were tipping 50-100 Euro a couple (man and wife) for a 10 day live aboard. I have always done $5 a tank and 10% of the value of the liveaboard.
I have been noticing in Coz $5 a tank is a low tip.
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When in Asia, we Americans should tip as we wish, and Europeans or others from low-tipping or no-tipping countries should tip as they wish. I would think with the mix of visitors, Asia would develop a tipping expectation that is somewhat of a middle ground.