Not sure why you are getting the advise that non immigrants cannot set up LLC. I have clients who are members of LLC irrespective of their status.

Yes, you can own your company and work for it depending on the structure of the organization. My office has filed for founders and owners.

Unauthorized work is violation of status and it depends on the number of days of employment to consider eligibility for AOS

Yes, spouses entering on L-2S are eligible to work. Either employer can initiate GC if the candidates desires to stay.

If USC fiance was mentioned on F-1 visa and your fiance got the visa, it appears your fiance was able to show non immigrant intent

Worrying will not solve any issue. Depending on the amount for the goods taken, you may qualify for an exception and be able to return to the U.S....

After termination of H-1B, candidates get 60 days to decide if they wish to extend or change status or depart the U.S. so long as they are within...

For the most part, the attorney filing the petition guides. If they will not entertain your request, you can seek independent counseling. Did the...

Without legal divorce, second marriage is considered bigamy, a crime of moral turpitude. You could be found removable for it and inadmissible...

Since this will have to be disclosed on AOS application irrespective of disposition, it will be in your interest to have an immigration attorney...