There are two, one bedroom apartments on the second floor and first floor is currently being used as a convenience store.

I don't know any, and I don't seem to run into them at the gym or grocery store.

If the property fronts on a state road, you will need an Highway Occupancy Permit from Pennsylvania department of Transportation, to gain accces to the road. 

When you give your phone number to any business, bank, grocery store for discounts and on and on, it becomes available to data brokers.

It's nothing like fancy pants hanging around kitchen stores picking out just the right cabinet door and handle pulls.

I would definitely go directly into the police department or try to get a call to make a report directly. 

I was a guest at STRs for years, a quiet, early departing after tidying up guest and never got any sort of follow up after the check out thank you, no incentive to return.  

They’ll let you know if everything looks up to code or if there are issues to fix.Then, head to the local building department and apply for the permits.

I know out here on the West coast with our digitalized title plants that each title company has it would be a matter of a few clicks for customer service department to transmit a copy of the mortgage to me..

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.