Consider the list as a guideline and not the final truth.
You must of course also be a legal resident of the United States of America to open a business in US.
Depending on the business you start there might me more items to add to the list. Information about specific industries can be found at the Industries/Professions Web page.
Don´t wait for the perfect opportunity. Start taking action, based on what you have readily available:
1) who you are
2) what you know
3) who you know.
- Saras D. Saravethy, professor in entrepreneurship