A good GC can be your project manager and then you could pay disinterested third party in KC a flat fee per project visit to inspect and assess % of completion at scheduled contract milestones for each GC payment and/or permit required inspection.

A good wholesaler often uses the services of others to make calls, qualify leads, do site visits, etc.

Is just visiting mobile home parks the best way to go?

I've lived in and visited a bunch of places, but western PA has some unique physical and historical features that lead to the SFR characteristics you describe.The chief one is that there is a disproportionate number of 1890-1929 SFR builds of exceptional, lasting quality out here. 

You definitely need to visit the property and area in general, do a crime report search, check rents in the area and reviews online of the property as well as comparable properties.

We visit when it's vacant and rent it out as much as possible.

@Kyle DeSimoneHi Kyle,Writing a letter will take time and the family has so much to handle right now that it may get put aside.It might be more in your benefit to find out the name and phone of a the relative that's handling things, and go visit them in person (as quickly as possible).Offer an easy quick solution as well as condolences.You may have to visit with more than one person to seal the deal.

You also may want to visit your local meetup's and be open to partnerships.

My wife’s grandparents live out there and we visit frequently and is a place we eventually will want to relocate in the distant future.

I would go to a local Rotary club (local to the investment properties) visit them on their meeting and ask for recommendations.