I have no idea how much it would cost to pull carpet out, install flooring or any remodeling.

 In 2015, i had radiators installed on the 2nd floor (bottom pic).

Alternatively, if I left the unit as is, or added a bedroom for a much smaller cost by removing the dining room, I could rent the entire unit out on a short or medium term basis, for at or above the monthly cost, then look for a separate house hack with a bath already installed.

I literally had cameras installed last week. 

And your accountant has the option to treat the 1031 as an installement sale with $1 mil received in the year of sale and the other $1 mil received in the next tax year.  

Having installed my own 14kw solar panel system on my own house without prior experience, I decided to do it myself on weekends and before and after work.It was way steeper than my roof.

My town has gotten grants of over $1M twice to install water meters which has only cost about $500K so the water department pockets the rest of the grant money.

@Aman S. we have these installed in several parks and at our business. 8 months in so far so good. 

Specifically,- Is older basement water tight or needs French drains and sump pump installed?

I haven’t installed any digital locks for the rooms, just the exterior.