That's a significant time, cost, and effort you're spending on what amounts to micro-optimizations though. Using a standard light switch is maybe half a second

That's a significant time, cost, and effort you're spending on what amounts to micro-optimizations though. Using a standard light switch is maybe half a second of effort. (Not an improvement over getting your light-control ap out.) It only makes some sense if you live in a huge space where you have to walk for 5 seconds to get to the switch or your heating takes 2 hours to warm a room. Color me cynical, but it seems like a big hassle to solve a non-problem.