With increases in density, you'll get a second appreciation from zoning in addition to the normal appreciation from supply and demand and inflation. 

I'm focused on MF but have sniffed out some deals that are okay - so long as they have steady performance, I'm good.

From what I've seen on the forums, with the steady job growth in the area, home prices are appreciating at a pretty decent pace.  

If you can show that you in fact have a X year history of completing the same job with a steady increase, or at least level of earning, you could have a shot with a smaller bank/portfolio lender.

With the idea of completely changing the curb appeal. moving the water supply thru the attic and adding proper HVAC in the attic.

There will be no issues with the blown insulation and electrical wiring or pex supply lines whether you use cellulose or rock wool.  

The brothers’ income is guaranteed as long as Tenant Alpha keeps steady work coming and pays them.

Some of your manufactures like Bosch and Blomberg make models where the dryer supplies the power receptacle for the washer, so there is no need to run a separate 110v circuit.

In that instance, you may have to market it at a low(er) price to get it moving, since there is so much supply.

The owner gets steady income and does not have to pay taxes on the entire amount in this tax year.