“It’s my money, Jake! If you want to bid at the auction, use your own money.”
“I’m Human, I don’t have any money.”
“It’s not my fault that your species decided to abandon currency-based economics in favor of some philosophy of self-enhancement.”
“Hey, watch it. There’s nothing wrong with our philosophy. We work to better ourselves and the rest of Humanity.”
“What does that mean exactly?”
“It means… it means we don’t need money!”
“Well, if you don’t need money, then you certainly don’t need mine!”
The exchange between Nog and Jake Sisko from the Star Trek: Deep Space Nine Episode “In The Cards” provides an excellent example when scarcity is suddenly encountered just outside a so-called post-scarcity society.