Help me settle this dispute (Simple EV problem)

[Brons]

[ QUOTE ]
I suspect that if someone offered you the same deal but the bet was your next 5 years income you would very rapidly come around to your friend's way of thinking.

[/ QUOTE ]Bankroll is the only valid reason there is to let this offer down. So the next 5 years income isn't really a fair proposition and most people will in fact turn it down, and not because they don't like the odds on the flip but because it's not within their bankroll.