And via the clustering we are utilizing green-space in a communal manner thus reducing foot-print of that BUT retaining such perception as each unit has walkout to what seems a BIG green space.

Don't look for lowest rate, look for lowest cost on fees as you will either refinance out of that loan or sell- the prepay will hit you on the back of the head like a cinderblock wall.

It's laborious, messy - but it was far less damaging/challenging than the photos found on the internet...even with plastered walls.  

Doing so usually cracks the walls and can make door jambs out of alignment.

.: Quote from @Jaron Walling: Follow your lease.

Is there a clause stating he can't remove the copper pipes from the wall? 

What is the upside of retaining this type of asset long term in isolation (likely won't be building a portfolio or 1031-ing anytime soon, but maybe in a decade)?

Current Tenants- would some want to expand into units next to them, knocking down wall, etc.7. 

Quote from @Jaron Walling: This question seem pretty naïve for someone that's flipped about 30 houses. 

-Structural (foundation, wall, ceiling and floor)-Roof and Exterior(Roof Condition,Gutters and Downspouts, Siding, Windows and Doors)-Plumbing (Water Pressure,Leaks, Drainage, Pipes)-Electrical (Wiring,Outlets and Switches,Breaker Panel, Lighting Fixtures)-HVAC(Air Ducts, heating and cooling)-Water and Moisture Issues(Attic, Mold and Mildew)-Kitchen and Appliances-Bathrooms-Pest and Insect Problems-Safety Features