If only it was that infrequent. There have been times where my friends send me a dumb two second meme video and the ads are longer than the actual video.
I use self-checkout because I have a "20% off your entire cart" coupon that I don't want to give up. When I scan it, I just put a random piece of paper into the slot so the machine registers that I put something in there. In this way, I kind of am getting paid to scan my own groceries.
Me looking for why my code doesn't work: