This can be in multiplayer, guards in AC, goombas in Mario and so on. Betrayals don't count though.
How rich are you? And what would you buy with the money?
Edit: Every death will cost you $50. Recalculate and tell us how much you have now.
Edit: It's now 50 dollars per death
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I would have atleast 10 million. Kill farming in: Borderlands Borderlands 2 Skyrim Resogun for vita and ps4 Mass effect Dragon age (all 3) Wolfenstein Warframe Watch dogs Far cry 3 God of war (1,2,3, collection) Final fantasy (7,8,9,10 and 10hd) Fallout 3 and new Vegas Uncharted (all) Death farming Dark souls Demon souls Bloodborne CoD online play (around 3kdr not enough to break even) Well in the green though :)