I've been working at the same place for at least 2 years. Were you charged twice? (once when you went to the store for a pick up order plus when the manager told you to order it again but use Uber eats). The fact that you had the original receipt handy is usually helpful. But at my business, there's not much we can do if customers show up several days later. But I don't know what rules are applied to Shake Shack specifically. Next time you go there, ask a different employee if they're a manager. If they are, I'd go over details with them. But if you notice the same manager every time your near shake shake, I wouldn't wanna waste time