The classic solution is make a rough estimate, double it, then increment the unit. Eg. rough estimate of 3 hours becomes 6 days. I try to avoid working with pe

The classic solution is make a rough estimate, double it, then increment the unit. Eg. rough estimate of 3 hours becomes 6 days. I try to avoid working with people/teams where I'm forced to make this kind of estimate. It's a great selector.