Johnny I noticed you said you would mostly use it indoors. In that case I would say the micro copters like this
SKU 3764300
This little things are so small makes them easy to maneuver around in the house.
Flashlights: I put in a battery and press the button, if I can see again they work. If not I replace the battery. If that doesn't work I strip it down and turn it into a vape mod and get a new light.