To clarify the headline, you should use an ATM inside the bank or ask for cash back at the supermarket.
If I had a real lunch hour, I would do the same thing. Alas, the culture here has always been "eat at your desk while you work." Which is why, after 20 years of this nonsense, I'm using my free time at home to learn skills that will, I hope, get me out of here. Never mind doing it to improve THIS company; I'll build…
Okay, I'll tell you how I do it. It doesn't always work, but it keeps me sane.