In 2021, nearly all artificial trees now come pre-lit, but it wasn’t too long ago when wrestling with a few strands of light could age a man or woman a few years. Lights were often passed down from prior generations and could be as “finicky” as an eight-year-old at a Chinese buffet for the first time. Determining the cause of a strand not working involved patience and could take hours. Was it a bad bulb or a blown fuse?