, solar panels w/ a couple batteries, water tank, etc..

After spending thousands of dollars trenching, adding drains, upgrading to three pumps with battery backups), I was fine for a year then flooded again ...

It also let me know when workers or potential tenants came and went.The only component that needs an outlet is the base station, the rest are battery operated. 

They have tons of different modules you an add, most of them have free single user versions, to manage everything imaginable. 

If you want the hottest modules on the market, splurge a little for LG.  

It is critical in my mind that all PM has brokers license and the add on ( if required for the PM module  like Oregon).Your doing exactly what a RE broker does your representing an owner and would be tenant .. same as you would an owner and would be buyer..ON top of that you MUST have a trust account for deposits.. this is the critical area.

I don't know if the painters took them off or something)-replaced master shower head, toilet seats, sink, and rebuilt toilet; re-caulked shower (I used my own rainfall type shower head from day one. the other stuff I just don't know if that's my fault or not)-replaced batteries in smoke and CO alarms-replaced furnace filter-replaced back bedroom door knob ( it didn't match the others, and was like that the day I moved in)Is it not normal to give an itemized list of prices for these various charges?

@John Carter   property tax's and sprawl will modulate property values in Texas in my mind.

A high level of mobility implies some sort of rechargeable battery source sized based on expected run time.

You should inspect the interior at a minimum of twice over year and check the batteries in the smoke detectors and look for damage or broken items that need repair.