The first hack is to only work 20hrs/week. If you are convinced that you only have half of the time to do the same amount of work you will stop wasting time, an

The first hack is to only work 20hrs/week. If you are convinced that you only have half of the time to do the same amount of work you will stop wasting time, and ruthlessly prioritize. The second hack is to be able to maintain that work ethic/productivity for as long as you want: 40hrs, 50hrs, etc.