You could also cross reference paystub income with income on their bank statements. 

If they have any further questions about compensation in the future they should refer to their lease (which I hope is written properly).

Better would be to create a partnership with a local company, like some kind of discount for referring every guest to them to use.

I can't image moving across the country to invest in real estate.

If it is i am with @Greg Scott  if you have vetted the contractor and they are licensed for what you are doing and you checked references then let the PM know you have selected someone else. 

In many parts of the country a two unit building containing an upper unit and a lower unit is referred to as a flat.

As for your Steeler's ticket reference.

This is sometimes referred to as mid term rental (MTR), but an MTR in most jurisdictions is simply a furnished Long Term Rental (LTR) with short lease agreements.This could allow you to rent to students and medical professionals.  

A have many professional service references but would rather not list them on a public forum.

For reference I work a full-time remote W2 job but I do have the time and bandwidth to do this.