These could be terms that end up insulating you from risks that the majority of the market could be affected by.For example, I am co-sponsor of a multifamily investment right now that is assuming debt at 3.64% fixed-rate interest with a loan term lasting for 8 more years. 

So flooring, insulation etc... should have sound proofing thought out.

 Is a super insulated false ceiling possible?

That's why I'm sticking with Single Family and small multifamily - I believe they are much more insulated from price and rent corrections. 

If the clothes etc are in poor condition I drop them at another charity that grinds up materials to make insulation.

I generally am a believer in forcing appreciation to insulate yourself from risk and future overhead.

I was thinking of instituting a similar range but my house is well insulated so would maybe keep it from 70-80

You’ll also need better insulation with the mini split than the central so it doesn’t just go outside.

The amount of air leakage and thermal conductance/resistance (insulation) is far more important to the size of the system (measured in tonnage).

I spent a month there cleaning it up and lifting heavy furniture, drywall, wool insulation, etc...