I usually keep older phones that get replaced after 2-3 years so they can be used for similar projects. The most basic are just glorified remotes for all of th

I usually keep older phones that get replaced after 2-3 years so they can be used for similar projects. The most basic are just glorified remotes for all of the various controllable things in my house. Get a wall mount/charger and they make good switches for Hue lights, controllers for casting audio to various rooms, and stuff like that. In the past I'd see low end devices for $50 or less but $10 is honestly hard to believe. Even if all you use it for is a handful of desktop widgets that turn things on/off that's already cheaper than some regular remotes and switches, much less ones that give you information and can be customized to look however I want or perform different tasks.