You should be giving out a lot of equity to your employees.
I think as a rough estimate, you should aim to give about 10% of the company to the first 10 employees.
You should think about for the next 10 years, you're going to be giving out 3-5% of the company every year.
The thing that kills startups at some level, is the founders giving up.
One of the pieces of advice that we give at YC is: try to work together on a project rather than just doing an interview.