Place a control on thermostat that controls the efficient whole house heat so they each buy their own individual electric heaters and drive the Bill up further.

I chose number 2, and found 2 problems....ground wire fell off the shut off switch plus thermostat brokent.

The electric space heater is the best option, most will work with a thermostat.

A pellet stove set to a thermostat is the most efficient way to heat a unit that guests can actually understand.

It's a steel tank with a set of elements and thermostats.

You can be thrifty on the other stuff.I have Honeywell 9000 wifi color touchscreen thermostats.

I wanna do leaf gaurds on the gutters possibly smart door bell with camera smart thermostat want my houses to be nice when they go to sell!

Sharing the same refrigerator and thermostat with strangers is a lot easier said than done...

Everything working as It should.Tenant not satisfied says It only is 62 in apartment and thermostat is at 76. 

Has database of landlord reportsZipSure (Insurance)QBO, ReceiptBank, HubDocMileIQAdobe SignHappy Inspector (Buildium) - iAuditor is a cheaper alternativeUbiquiti CamerasLeviton WiFi or Lutron Smart SwitchesLeviton Smart PlugsSchlage Encode WiFi Smart LocksButterfly Mx (cloud) or AIPhone - Entry IntercomHoneywell or Mysa electric thermostats, Sensibo for mini-splitsSensors - Flowie, Floodie, Shuttie, Sumpie