I should add: 7) Coming from the corporate/agency world, you'll be floored by the lack of basic business sense and planning found in the average early stage sta

I should add: 7) Coming from the corporate/agency world, you'll be floored by the lack of basic business sense and planning found in the average early stage startup. Perhaps I was naive, but the severity of that mindset ("let's just make something flashy and get a ton of users and everything else will figure itself out!") surprised me at first.