You have to be decisive. Indecisiveness is a startup killer.
AirBnB spent 5 months interviewing their first employee, before they hired someone and in their first year, they only hired 2 people.
You can have a startup and one other thing, you can have a family, but you probably can't have many other things.
It's become popular in recent years to say that the idea doesn't matter.
If you compromise in the first five, ten hires it might kill the company.
I think as a rough estimate, you should aim to give about 10% of the company to the first 10 employees.