How to Choose Between Zigbee, Z-Wave, Thread, and Matter Protocols I spent three years running a mixed-protocol smart home before I learned the hard way that how to choose smart home protocol isn't just about technical specs—it's about control, longevity, and whether you're building a system you truly own. After my Wi-Fi bulbs started refusing local commands and phoning home with usage patterns, I rebuilt everything from scratch. Now I run a completely local setup, and the protocol decisions I made determine whether my automations work when the internet goes down. You're here because you're tired of marketing fluff that tells you "everything works with everything." It doesn't. In this guide, you'll learn exactly how to choose smart home protocol based on privacy, local control, interoperability limits, and real-world reliability—not vendor prom ...