Bingo. They're not being paid any more or any less per hour if you get a discount. Why not do something nice for people? Plus those cards often have points o

Bingo. They're not being paid any more or any less per hour if you get a discount. Why not do something nice for people? Plus those cards often have points or other rewards, e.g. spend 2400 points and get these cucumbers for $1 off, so it's a win for them too.