How is this going to affect battery life? Some of us don’t have the switch connected to power 24/7. Sounds like a bad idea for an underpowered handheld device.
Isn’t the whole point of pest control to kill ‘em [the pests] dead? Like, to have recurring business from the same customer one would have to not actually solve their problem. Barring any reintroduction of pests with seasonality as you suggested, or otherwise.