Robots can help mint and deliver the money too! But never forget to tip your money delivery robot.
And sometimes humans can even borrow money from robots, if they're really nice to them.
https://news.ycombinator.com/item?id=17353666
https://en.wikipedia.org/wiki/Ubik
“Five cents, please,” his front door said when he tried to open it. One thing, anyhow, hadn’t changed. The toll door had an innate stubbornness to it; probably it would hold out after everything else. After everything except it had long since reverted, perhaps in the whole city … if not the whole world.
He paid the door a nickel, hurried down the hall to the moving ramp which he had used only minutes ago.
[…]
“I don’t have any more nickels,” G. G. said. “I can’t get out.”
Glancing at Joe, then at G. G., Pat said, “Have one of mine.” She tossed G. G. a coin, which he caught, an expression of bewilderment on his face. The bewilderment then, by degrees, changed to aggrieved sullenness.
“You sure shot me down,” he said as he deposited the nickel in the door’s slot. “Both of you,” he muttered as the door closed after him. “I discovered her. This is really a cutthroat business, when —“ His voice faded out as the door clamped shut. There was, then, silence.
[…]
“I’ll go get my test equipment from the car,” Joe said, starting towards the door.
“Five cents, please,”
“Pay the door,” Hoe said to G. G. Ashwood.
[...]
“Can I borrow a couple of poscreds from you?” Joe said. “So I can eat breakfast?”
“Mr. Hammond warned me that you would try to borrow money from me. He informed me that he already provided you with sufficient funds to pay for your hotel room, plus a round of drinks, as well as —“
“Al based his estimate on the assumption that I would rent a more modest room than this."