For stuff like the lights in basement/hallway/bathroom/storage, and other locations where you always need lights (no windows, not bed/livingrooms), I just have

For stuff like the lights in basement/hallway/bathroom/storage, and other locations where you always need lights (no windows, not bed/livingrooms), I just have lights with PIR-sensors... Completely dumb, but turn on when you're there, turn off automatically a minute later. No privacy-implications, no need to yell to your assistant, and cheap/simple/effective.