Wow, sounds like they've gotten pretty shitty. I've been using ADT for 26 years, and in my current home for 23. I have had no issues with them, and have found

Wow, sounds like they've gotten pretty shitty. I've been using ADT for 26 years, and in my current home for 23. I have had no issues with them, and have found them responsive when alarms happen or equipment needed to be replaced. OTOH, some pals have a Simplisafe setup and it's been a darkly hilarious saga of nonfunctional sensors, false alarms, and ongoing chicanery.