They call me when they run the battery down, or they get a flat tire.

As such, I generally test and replace the batteries at least once a year. 

It was a very bumpy transaction and our unit required a bit more reconditioning than initially expected, but we couldn't be happier.

You can get battery powered ones if you don't have power by the door.

If the house does not have power get a Temporary power pole installed outside the house and get battery operated cameras and/or solar ones.The last thing you want is to have your incomplete flip listed on the MLS with a description beginning with “Investor Special”If you can’t be there to check on your flip as often as required you can hire project managers to be your eyes and ears.

WiFi smart locks are great b/c they’re a one-and-done install, but have the downside of needing frequent battery replacements due WiFi using a lot of energy vs something like ZWave to a hub (that’s very low energy like Bluetooth). 

Ultium cells building a factory here to manufacture car batteries.

Bullet proof strategy with no interaction is a lock box that has no smarts or batteries to fail.

You’ll need a skill saw, sawzall and battery drill.

So I had a sump pump battery backup installed.