Don’t walk, run to a 135 operator.
135 has numerous advantages over part 91, stricter regulations, duty times, mandatory training programs, mandatory safety programs and at least the attempt of oversight by the FAA.
Part 91 they only show up after the accident.

Honestly your resume reads like you’re broken.
Too much little airplane time without any movement. Built a little kingdom as maybe chief flight instructor or asst chief as 5000 is not that much considering the timeframe.
School got sold, can’t get along with new owner.
Thats how your resume reads without looking.
Right or wrong.
Get in touch with former students who are currently flying professionally and get letters of recommendation and start knocking on doors.
Fly 135 long enough to upgrade as this will give you some street cred. for your future endeavors.