I wasn't being intentionally vague, it's just that there have been a lot of posts talking about exactly went wrong with startups and there seems to be a lot of

I wasn't being intentionally vague, it's just that there have been a lot of posts talking about exactly went wrong with startups and there seems to be a lot of overlap. I linked to an excellent article that covers mistakes first time entrepreneurs make, and I made many of them (and it seems many others have too). Rather than covering ground that's already been covered a fair amount I thought I'd share what were the biggest 2 takeaways for me personally.