I'd say in life you generally want to stick to 20/80 80/20. Spend 20% in effort and/or currency to get 80% of the optimal result. Spending the other 80% to get

I'd say in life you generally want to stick to 20/80 80/20. Spend 20% in effort and/or currency to get 80% of the optimal result. Spending the other 80% to get another 20% gain is rarely worth it.