>Yes it is. As long as the 30% of the proceeds are higher than the proceeds of the best alternative use of your money. You aren't guaranteed proceeds. You can

>Yes it is. As long as the 30% of the proceeds are higher than the proceeds of the best alternative use of your money. You aren't guaranteed proceeds. You can model investment as a probability function of profit. You should only invest when the expected value of the investing is greater than 0. But tax rates factor into the expected value. Would you bet on a 50/50 coin flip with 3:1 odds? Of course. How about if you were taxed 90% on proceeds?