This is how I intend to use mine, I just have not sat down to do it. This way I don't need to waste any resources on my main box. I'm also kind of waiting to buy a Pi 4. I used to run Pi-Hole at home but it got corrupted. I also had openHAB setup as well to control my A/C via ... whatever that wireless protocol is called that my thermostat was using. I have since replaced my thermostats with the Wyze one.