Typically in northern states the cost for natural gas is way cheaper than electricity so over the life of the system your utility bills most likely will be cheaper with gas heat.Ductless split systems use electricity to power in heating mode.

I know it’s the nature of the business, but now with overall cash flow cut in half I am thinking maybe just sell it.  

I've been reading several posts about where to look for deals and understand the MLS is probably not a great source.  I believe I heard something called pocket listings on one of the podcase episodes last week.  What ...

Too much problems since under contract.You allude to other problems, depending on their nature, maybe walk. what is the tenant’s reason for fighting eviction?

Zoning, subcontractors, mother nature, P/I during construction and rent up, your loan doesn't get "fixed" until after construction, material inflation, etc, etc, etc.You have taken most of the risk off the table with family financing and family construction. 

What were some creative methods you used for privacy? 

STRs, LTRs, flips, etc Hello River, it's great to meet you.My current strategy focuses on utilizing small multifamily long-term rental properties by implementing the BRRRR method.

I realize that my Fear of the Unknown is natural.

Will this method work elsewhere?

Assuming this is their natural child, they've managed to build excellent credit for the wife over a long period of time.