I'm just worried about OTA updates. Shelly and Sonoff are playing nice now. They might not always. Plus, unless you fence off your wifi device from the router,

I'm just worried about OTA updates. Shelly and Sonoff are playing nice now. They might not always. Plus, unless you fence off your wifi device from the router, it might be phoning home on you. At least a module without a WiFi stack can't do that