Fair enough, but unless you can predict the amount and terms of any future investment, you've got no way of knowing this. I'm guessing you'd need at least 2% u

Fair enough, but unless you can predict the amount and terms of any future investment, you've got no way of knowing this. I'm guessing you'd need at least 2% up front to have an even chance of having 0.66% (or $1MM + taxes, in a $200MM exit) of the company at the time of sale.