Add another $20 a month for that.Add in HOA fees ($300 a month; shown in your link), Gas, electricity, high-speed internet, water, trash and snow removal. 

Demolition and Removal: Outline areas to be gutted or removed (walls, flooring, fixtures, etc.). 

If you ask the manager to justify a fee and he starts hemming and hawing, move on or require them to remove the fee.

You can't hold them accountable to the terms if they aren't on the lease.I would remove all of them from the rental and start fresh.

My primary concern with two separate leases is that it would be extremely challenging for you to remove a tenant via eviction for any reason because technically it is one unit.My recommendation is to provide one master leases signed by both groups of occupants.

Does providing complementally k-cups/teas, popcorn, spices, toiletry essentials (toothbrushes, floss, bath wash, shampoo, conditioner, soap, paper products, makeup remover, laundry detergent, firewood with firestarters for the fireplace and firepit constitute as substantial services?

DST are a great tool for the common 1031 situations you described, but for very large amounts of equity there are competing STNL MTNL investments, that get me enough removed from the terrible T's, and satisfy my risk concerns, along with having self control of exit and usually better yields.

While this may be a clear lease violation, there is no guarantee that the judge will grant the removal order and give you back possession of the home.You need to weigh the costs.  

I wonder how pissed the spirit would get if you went there and removed the doors so he couldn't slam them?

Combine the basement with the 1st floor unit and remove the kitchen.