I’m living the Black Friday dream. I did all my shopping last year with one fell click.

Last year, I purchased a “hot” Black Friday item: a robot vacuum cleaner. I didn’t go for the Roomba. Instead, I chose a $220 Eufy RoboVac at a discounted price of $120, excluding tax. It cleans hardwood floors, and was marketed as having strong suction and quiet performance. The latter claim didn’t hold up: If it were featured in a robot-vacuum-gone-wrong episode of “Black Mirror,” you would hear it coming. But it’s the best Black Friday…