Good startups usually take 10 years.
So you should always stay on top of people's vesting schedules.
You can basically change everything in a startup but the market.
Every thing at a startup gets modeled after the founders. Whatever the founders do becomes the culture.
You want to think about what is the path for my first 10 or 15 employees going to be as the company grows.
Because so few people make an actual long term commitment to what they're building, the ones that do have a huge advantage.