I could be wrong, but I think PHL would be to the left of center city from this angle

A license to carry just requires a background check and two character witnesses, but you need an additional license to work as an armed guard, which does require a psychological evaluation and at least some training. Probably less than being a barber though: https://www.psp.pa.gov/lethalweapons/Pages/initial_application_for_certification.aspx