Before I respond to your inquiry, I must state that we have not spoken, I have not reviewed the relevant documents and facts, and I do not represent you. Therefore, my discussion below is not a legal opinion, but is informational only. Finally, my discussion applies only to issues to which Pennsylvania, New Jersey or Federal law apply, unless otherwise specified.
That being said, you need to consult with an immigration attorney. You can own a business but you likely cannot work in a business without an H1-B/green card or other specialized permission, even if you own the business.
Street vendors are regulated by the city/municipality that they are in; you would have to apply for a license from the city of Pittsburgh, if that is where you are going to sell.
If you would like to discuss this matter further, please feel free to contact me at the below address(es) or telephone number.
/Christopher E. Ezold/
The Ezold Law Firm, P.C.
One Belmont Avenue,
Bala Cynwyd, PA 19004
NO ... not permitted on F-2.
Yes, you will be required to find a different visa.
Talk to an attorney.
Franco Capriotti - Senior Legal Counsel - Capriotti International Law – 503-803-0055
SKYPE CONSULTATIONS AVAILABLE - email@example.com - www.capriotti.com
We are not geographically limited ==> Our licenses allow us to represent people worldwide.
FORMER IMMIGRATION LAW PROFESSOR -- LEGAL DISCLAIMER: This answer is offered for informational purposes only. It does not constitute an attorney-client relationship.