I remember being able to put in a negative tip to zero out the order cost, checkout, and tip in cash. So I don't find this shocking.
delivery guy pays you to deliver your food
They're still telling stories about how they got to watch BlueGh0st take the bag with his own hands. They begged to watch him eat, but that creeped him out a bit. They settled on an autograph and a handshake instead of payment. Ah, the life of a celebrity HN user.