We always love to see ordinary people exploiting glitches in this messed up system, flawed discount deals, lazy employers, and any big institution that profits from usually doing the exploiting. When you spend most of your life rising and grinding every damn day to pay the bills, even the smallest win can feel like striking gold, like figuring out how to secure a free weekly lunch for the next couple years.
We've got a bunch of great examples of clever people taking advantage of loopholes thanks to a hot recent thread from r/AskReddit. Maybe you'll learn something.
I used to do this with my friends when I didn't have a cell phone. The heavy collection of quarters my mother gave me were more useful for buying beer than a phone call.
Laundry in the building and it is free? This person is really living the dream.
We miss the days when IDs were checked rarely, if ever.