If you depend on a third party to handle your IoT device you just own a pricy brick. They can stop at any time, they can change what is supported, they can change the price. It won't change as there is no money in making devices we can run under local control.

https://www.engadget.com/amazon-will-start-charging-for-formerly-free-alexa-guard-smoke-and-security-alerts-184602106.html

Amazon will start charging for formerly free Alexa Guard smoke and security alerts

Amazon will soon start charging extra for some Alexa Guard home security features. You'll need an Alexa Emergency Assist plan if you want your Echo speakers ...

Engadget
@thomastraynor
As usual, if it depends on Teh Cloudz, it's not and has never been yours

@jherazob @thomastraynor there was an interesting conversation in one of the selfhosted lemmy communities that was discussing whether self-hosting in the cloud is still self-hosting… an adjacent conversation but still super interesting.

In the end, they agreed that cloud==bad has more to do with who manages the service and not who owns the hardware.