I've redone the kitchen, floors, paint, outdoor deck.

I buy their furniture and appliances and leave it right where it is. 

If your tenant was interested, a strategically positioned outdoor Ring camera would more than likely catch them in the act.

an damaged microwave , it smoked from overdraw with running 2 freezers off a unauthorised surge strip outlet on 15 amp an extreme overloads with 6 strip outlets an wires running out door [ many major  fire codes violations] Can the cost on electrician ,that proved the circuits were overloaded   - [an he warned her on nec an fire  codes  an dangers of her overloading outlets, an  the wires going out front door]    on that 15 amp she illegally ran a strip outlet w freezers  an other circuit w 15 plugs on 1 -- be deducted along with the microwave replacement cost since it popped an smoked kicking breaker by her unauthorised freezers?

Of course, we also plan to add a couple high quality TVs, good furniture, and keep the interior clean.The back yard is marvelous and just about the biggest/nicest in the city.

Along with the possibility of 2 units, for example one in main bedroom, one in open livingroom area.... it's also worth considering 2-zone (or more than 2 zone) units that have one outdoor unit feeding (via copper lines under home) multiple indoor units that can be controlled independently.  

Don't buy nice furniture...over the course of a career, even nice furniture will be janky by the end of it - plus it won't fit into your next house anyway... 

Like I’ll buy all the furniture but who can set it up?

That's inviting to families visiting with kids.He highlighted an inviting outdoor space.

His disabilities prohibit him from doing "normal" everyday tasks like answering the phone, speaking to others, and working outdoors.