Verify the rents (are they at market or under performing), what utilities are paid for by landlord or tenant, are there any service contracts in place and if so, what are the terms (can you renegotiate this expense), any other income opportunities (storage, laundry, vending machine), is this an add value property, etc.

Correctly approached, the business of MH/RV parks can create a more stable cash flow machine than any other asset class. 

As your talking with someone, ask about the other slots you need to fill.5. 

One was a vending machine company.

Subprime was a large contributor to the crash, but borrowers treating their houses like ATM machines,  lenders providing the capital with guidelines written by  Wall St hedge fund guys who were steady buying the paper while being egged on by legislators was what caused the crash. http://fortune.com/2015/06/17/subprime-mortgage-recession/

If you are going to do any job, having the right tools sure makes it easier.closest I came to dying on a machine that moved.. including flying my own plane.. driving my own boat.. driving cars. etc etc.was the day I decided to mow our office lawn.. there was an old riding mower in the back .. normally we hire this stuff out of course.but I hop on that and back yard was going good then I decide to go out front and now I am heading for the street trying to figure out how to stop the thing I end up in the middles of the street with a car 3  inchs from me that braked and skidded to a stop..

Leaving raw chicken in refrigerator, & they shut off the fridge... no notice,, odor reported,, had to enter and then found it.. just so you know.. you restart the fridge first and then get nose plugs.Raw chicken in washing machine... no notice odor reported.. this was bad..Crap in washing machine.

Those properties were sold off in droves for pennies on the dollar (again) and the marketing machines revved up. 

Honestly, I’m considering doing deal machine to drive for dollars but it’s also kind of expensive.

It looks like you've discovered something many people have - driving for dollars just doesn't work as well as other options.We are direct mail acquisition machines all without leaving our office (or home, or wherever we happen to be that day - haha).