... how much time you should be spending on hiring? The answer is 0 or 25 percent.
AirBnB happened because Brian Chesky couldn't pay his rent, but did have some space.
Most things are not as risky as they seem.
Everyone starting a startup for the first time is scared, and everyone feels like a bit of an imposter.
No matter what you choose, build stuff and be around smart people.
If you're not in college and you don't know a cofounder, the next best thing I think is to go work at an interesting company.