I think it's horrible for someone to ask for money for pulling you out... and I think it's even more horrible for someone who got pulled out not to offer some.

(i.e. money ought to change hands or the guy who got rescued is an a$$ - but it should be a thank-you and not an extortion)
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Warning! Do not sear the top of your neck hole in the molten lactate extract of hoofed mammals.