FWIW, these are effective only when both are used on the same circuit. If you live in an older home, the chances of this being the case are higher.
My entire apartment, except for the washroom, is on the same circuit. It also means I can’t run an air conditioner without tripping the breaker. :|
You could also go with no DE and check out Fluxbox, i3, or sway. There’s something about Fluxbox that’s still charming all these years later.