Does the seller really care who writes the check (you or the lender)?

Fees should be clearly stated in writing, easy to understand, and justifiable.

Give them a copy of the manual to show what minimum temp settings are from the manufacturer, put it in writing and get them to sign the paper. 

I could write a novel about this but let me ask you two questions instead:1. 

(you write this into the lease) Leverage, leverage, leverage is as important as location, location, location when it comes to real estate.

What is the best legal structure to assume his existing land contract while either concurrently paying him or writing up a 2nd land contract to the seller past the 4 years on the current land contract?

You mentioned that the tenant is elderly and doesn't do much online, but that doesn't stop YOU from writing a review.  

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

So now you worry about his ability to finish, so you want to make sure you write up something to hold his feet to the fire.