. $240 on Amazon, but you only have to buy it once.We've tried the Nest in two of our properties - the proprietary nature of their interface made them difficult to integrate with our management & monitoring system.That said, there are other thermostats which provide a minimum and maximum temperature (regardless of what the occupant chooses) at a fraction of the price (Honeywell, Braeburn and {I think} Sinopé provide models with this feature).   

We were definitely monitoring things daily especially since we had a 3-family flip of ours close on Monday.

I am working with a partner in Silicon Valley to develop a computer vision based security and monitoring system for multi family properties.

Look at the weather, look at the terrain, look at the crumbling infrastructure, look at the perennially impoverished 100% old-union-town Democratic political machine.

New multifamily apartments, breweries, retail center, restaurant development and infrastructure growth such as widening 400 has brought new investment into the area.

You could possibly get motion activated battery powered cameras (game cameras) to monitor property.

There's usually good locals that monitor it and can make good local suggestions.  

I was told I need to pay some company an annual fee to monitor it (surprise surprise ...fees everywhere). 

Most major land work and infrastructure complete.

we are closely monitoring this unit and area but mostly have decided to exit this location by next year.