I use a combination of windows and doors. People say they help with requirements somehow, however I believe they're most suitable for verification of the monitored state.

I use a rock hanging from a string.

https://en.wikipedia.org/wiki/Weather_rock

> I use a rock hanging from a string.

And where is this rock hanging and how to you observe it?

We all try to escape the claws of Doors & Windows Inc, but whatever you do, when you interact with The Outside, they're required...

is it wifi, bt, zigbee? surely matter-compatible, right?

I use a FL calendar. Mar-Oct: sucks. Nov-Feb: sucks less.

Sounds like the FL calendar is about 100% inverted from the ME calendar. :)

it is a pane to set up