I've been trying MileIQ, but honestly, it's draining my battery and missing trips. 

Also it gives you a chance to make sure they are changing furnace filters and batteries in smoke detectors.

My lease agreement makes the tenant responsible for all consumables, including light bulbs, smoke detector batteries, air and water filters, etc.if your lease does not specifically make the tenant responsible, then it is a landlord responsibility.

Some solutions , a back up generator will keep the pump running , a battery back up system will help if the pump fails , but they are only good to run so long .

My lease makes tenant responsible for all consumables such as light bulbs, batteries, or filters. 

I also like Blink cameras for their battery-powered, use anywhere capabilities, however the recent Amazon buyout has led to Amazon killing off a lot of the third party integrations that made the product so useful in an overall camera config.

Solar powered with lithium battery bank for evening hours.

*I have since discovered that maybe the August v3 or Pro might be the way to go for a lock.I like the idea of z-wave or zigbee networks for these devices to reside on for battery efficiency and wi-fi traffic and a single point of control with something like the smartthings app, but I'm also aware that integrations can sometimes be messy and I may just need to download separate apps for the various devices. 

All dwelling units must have 10-year sealed battery-powered smoke/carbon monoxide alarms.

Dead automotive batteries.7.