Will he “walk” away from a deal where he has little or no equity?  

We’ve had 6 showings in the past week alone, which is already a lot, but the most concerning part is what’s been happening during these showings.Here’s the real kicker: there have been showings (with prior notice given) when we weren’t home, and my cameras caught prospective buyers entering unaccompanied—no realtor, no landlord, just strangers walking into my occupied home.In one instance, my husband happened to be home and answered the door.

Does anyone have a cleanliness clause in their leases that that invoke when they do periodic walk through? 

You could well to yoru relative so you/they avoid realtor fees, give them 5-10% in closing costs so they can walk in with low/no money down.

Many buyers want to do a Final Walk-thru the day of or day before closing to make sure there are no surprises since their inspection.4) Seller wants to only pay 2% commission, you will need to compensate your agent if they want more or your Buyer's Contract requires more.

Geo leads) seem like a walk in the park.In sum, you want to focus on income-producing activities (lead generation) given the fact that you don't have much time in the day to spend on RE. 

We're bringing a knowledgeable general contractor to the property walk-through next week to assess potential risks, and I will also check the HVAC and electrical systems myself, as I have some experience in these areas.

But it's not in walking distance to hospitals or downtown.

But you know enough to be able to fill in the blanks and get close... public records, utility companies, visiting with residents, walking the park and networking with other park owners. 

You will meet people from different walks of life that will give you different perspectives on real estate investing.