A HELPFUL PRODUCT: In my first house, light-bulb sockets were brass, which is self-lubricating. In my current house, somebody saved money by using sockets made of some hideous base metal with a high coefficient of friction. That’s left me with more broken bulbs to be extracted with the bulb-extractor tool than I’ve ever faced before. My solution has been this bulb and socket lube, a conductive lubricant that you smear on the bulb threads before installation. That seems to have solved the problem, and it’s cheap.