Does anyone have any experience with self-cleaning cat litter boxes? The ability to connect one to Home Assistant doesn't really seem useful to me - maybe it would be nice for HA to alert you when the litter box needs to be changed. But I'm really just curious if any particular model of self-cleaning litter box is any good - even by itself, without any "smart" features. We now have 4 cats and it would be nice to not have to clean litter boxes manually 1-2 times every day.
I and many people I know swear by the litter robot. Off the top of my head I can think of 5 different households in my social circle with 1 or more litter robots.
For 4 cats you might want two litter robots as they tend to fill up quickly with multiple cats. Or set up the litter robot in addition to a traditional litter box so the cats can choose where to poop.