The gas station in Bellefontaine had a hand-lettered sign that got the math so wrong I took a picture
I stopped for gas in Bellefontaine, Ohio last month and the clerk had taped a paper sign to the register that said "2 for $5, or $2.79 each." I stood there for a second doing the math in my head and the "deal" was actually worse than buying two single ones, since two singles would run you $5.58 versus $5 for the pair, which is a whole 58 cents saved, not lost, so I had it backwards at first and felt pretty silly. What got me was how the sign hung there for what looked like months, sun faded and curling at the corners, and nobody had fixed it. Back when I worked at a hardware store in the 90s, the owner made us redo price tags by hand every Sunday and one wrong number could cost him a morning of arguing with folks. Now it feels like half the signs I see are just whatever somebody typed up fast, wrong or right. The clerk told me the manager wrote it and nobody wants to be the one to point it out. Did the prices at your local spots used to get checked more closely, or am I just remembering it better than it was?