Note: these are 10 year sealed battery units (not hardwired)This may not seem like a serious problem but it is for the following reasons:1. 

This 7/25/2025 article, Toyota's first batteries manufactured at Greensboro-Randolph megasite have shipped, says the company has already started shipping batteries and currently employs 2,000 of the projected 5,000 target.

When you do this set a Google reminder or put on your annual reoccurring calendar to change the battery out each year.

I know batteries aren't cheap but $100 for batteries is absurd.

I also have 2 units in a concrete building. the only changes i had to do, change the smoke alarms from battery to powered and networked and an emergency light on stairs for units more than 1 story.

Just two months after moving into his new home, a lithium battery from his Polaris Slingshot exploded in the garage at 4 a.m.

You can get a PM platform with Accounting Module and just group them as properties/portfolio. 

The other 2 times were dead batteries so having a back up key in a lock box is crucial.

As far as a checklist, make sure the home is safe, locks work, smoke detectors are not expired and with new batteries, no safety hazards that may cause or open you up to liability.

They package everything you could look up for free on BP, YouTube videos, podcasts in these nice looking neat modules.