Reply To: Was I Right or Stupid?

I was once at Giant in Baltimore (when I was in Ner Yisroel) and I asked for 5 dollars cashback at the self checkout and out came a fifty and I gave it back to the manager and I asked R Feldman if what I did was right and he said I should’ve brought over a whole bunch of people and made a kiddush Hashem B’Rabbim