That's not how most banks work, you may have been at one that had the person with authority but transfers over certain amounts ($1M around here) require multipl

That's not how most banks work, you may have been at one that had the person with authority but transfers over certain amounts ($1M around here) require multiple reviews and certain people. You can do it in a day (and regularly do for wires) but it requires additional steps and authorization. Banks also don't necessarily have all of the cash you'd need on hand.