What permits do I need to open a nail salon?

The New York State Division of Licensing Services provides permits and licenses to nail salons. This licensing process includes an application and an exam. 

How do I get permits to open a sidewalk cafe as part of my restaurant?

The NYC Department of Consumer Affairs is in charge of assigning permits for sidewalk cafes. The requirements and application process are detailed here.

What are the most common violations that small businesses receive, and how do I avoid them?

The most common violations include putting out garbage at incorrect times, failure to hire a commercial carter, and dirty sidewalks. See more here.