... how much time you should be spending on hiring? The answer is 0 or 25 percent.

... but the pendulum has swung way out of whack here. A bad idea is still bad, and the pivot happy world we're in today feels suboptimal.

It's better to have no cofounder than to have a bad cofounder, but it's still bad to be a solo founder.

Growth solves (nearly) all problems

A winning team feels good and keeps winning. A team that hasn't won in a while gets demotivated and keeps losing.

The other piece besides focus for execution is intensity. Startups only work at a fairly intense level.

In general, it's best if you're building something that you yourself need.