Two other things that we hear again and again from our founders, they wish they had done earlier, and that is... simply writing down how you do things and why you do things.

So if you want a culture where people work hard, & pay attention to detail, focus on the customer, are frugal: you have to do it yourself.

Be suspicious of any work that is not building product or getting customers. It's easy to get sucked into an infrastructure rewrite death spiral.

Companies that I've been very involved with, that have had a very bad first hire in the first 3 or so employees never recover from it.

The thing that kills startups at some level, is the founders giving up.

You need someone that behaves like James Bond more than you need someone that is an expert in some particular domain.

AirBnB happened because Brian Chesky couldn't pay his rent, but did have some space.