What licenses is require to open an online store at NYC?

I would like to open a online store and wondering what licenses are require.  I;s going to be a home-based business.  My home is located in New York City.  I will be selling camping gears online.  I will NOT hire any employee.   I did a little research, and here is what I think I need:

1. Form a LLC first, then get a Business License.

2. Selle-s Permit = wholesale ID = reseller license = State Sales Tax ID Number.

3. maybe DBA? But if I for a LLC already, I do-t think I need that?

4.  Fed Tax ID

5. Do not need EIN = Employer ID number right? Because I am not hiring anyone?

Am I right about the licenses?  Did I miss any?

Thank you all.