Smart buildings equipped with IoT devices can enhance operational efficiency and tenant experiences.

Easy platform to use on mobile devices and I also like that I can view applications before I ask for background checks.

It does indicate the age of the property, so I would check the wiring and service to be sure it is adequate for today's devices.

But is it still possible to put a sub meter like device on individual units just so I know who may be running a bitcoin operation so I can send notices to the right units in that event?

The definition of Appliance has been expanded to include any device provided to the tenant to cool the home, to include permanent or portable air conditioning units, swamp coolers etc. 

Ring cameras, Minut device, a good cleaner, and smartlock activity log on the app, is your best friend for remote managing.

It’s all integrated and easy to manage from PC or mobile device.

You will need to open the files on a computer and, if so desired, transfer that information to your device, either using your device cable or by emailing yourself the unzipped file and opening the file on your device. 

Here is quoted VRBO policy:"Vrbo, another vacation rental company, states that it does not allow any form of surveillance device inside a property, with the exception of smart devices that are allowed "as long as you have been informed of their presence and given the option to deactivate them."

No, you cannot require tenants to get rid of legal service animals as they are considered part of a legitimate disability and thus more of a device than an animal.