Unpopular opinion: a $9 magnetic stud finder from the State Fair booth in ABQ saved my kitchen backsplash
I was about to drill into a spot the cheap electronic one swore was clear when a guy at the Home Depot on Eubank told me to try the magnet trick, and it caught a screw head 2 inches off from where I would have punched through, so how many of you are still trusting the blinking light over a magnet?