Ralph and Vanellope outbid another bidder for the Sugar Rush Steering Wheel. Initially, their bids are slightly above the other bidder's; however, they get carried away and bid an enormous price for the steering wheel. It's evident that they don't understand the implications of their high bid.
The CyberSquad, Digit, and Slider decide they need to save up 100 snelfus within 11 days in order to buy an encrypted chip and save Motherboard. They calculate how many snelfus they need to save each day and then get jobs so they can put money into their savings.
When Hewey, Dewey, and Louie Duck witness Gyro Gearloose's new invention, the Multiphonic Duplicator, they use it to duplicate their money. When Scrooge McDuck learns of the invention, he cautions his nephews not to spend the duplicated money or else they'll decrease the value of the currency. Inflation is further illustrated when the price of goods and services, such as lollipops and bus rides, increases astonomically.
During a neighborhood meeting, Louis Huang tries to convince his neighbors that Highland Avenue should be a Halloween destination. He persuades them that Halloween is not about imagineers spending money but about allowing individuals to use their imagination to adopt an entirely new persona for the day.