Things I’ve looked into before that come to mind are tools for managing networks, organizing contacts so you remember who is good at or looking for whatever, keeping track of the many documents and having on-device signing of those documents.Hoping to hear some fun responses from you all.Chris

google "fake tv projector" for a cheap device that would make it seem like a tv is on in a dark room of the house at night.

THey are considered to be medical devices, not animals.

If the zoning allows for the number of units,   I'm guessing they will have an answer such as 'The unit will need to be permitted and brought up to code as necessary'  which for an established unit will probably mean they look at things like presence of smoke/CO detection devices,  window egress requirements,  and other basic safety and habitabilty requirements. 

There are mortgage/investment calculator apps for your devices. 

Evidently, he skipped out on a recent court date and was reissued a higher bond with an ankle tracking device.

However, as a landlord you could 'finance' their smart home devices as an option in the lease. 

We believe in providing state of the art payment methods, allowing the tenant to sign up for pre-authorized payments, using their mobile device or by using the rent payment kiosk located in the lobby.

You can sell it to the tenants as a security device or a way for them to reach you upon check-in if they have questions, etc.

The stove could be used as a mediaeval torture/execution device by a serial killer tenant.