You certainly don't need to have everything figured out in the path from here to world domination.

Many of the best YC companies have had phenomenally small number of employees for their first year, sometimes none besides the founders.

Remember that the idea will expand, and become more ambitious as you go.

Don't let the company get distracted or excited about other things. A common mistake is that companies get excited by their own PR.

You want to think about what is the path for my first 10 or 15 employees going to be as the company grows.

Most things are not as risky as they seem.

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