From reddit: I work at a chain Supermarket. If I can tell someone is financially struggling, I give them a pretty decent discount which would get me fired if my manager knew.

"I work in the deli section and occasionally people come in who are clearly not doing too well. Once it was a guy who had just lost his job and was telling us about it, and another time it was a woman who was clearly very concerned about spending 12$ AUD on salmon due to money troubles. When I see someone like this I always offer a discount if my m..."