Whether a roller coaster is a "waste of money" depends entirely on the business case—and for successful parks, the answer is a resounding no. Here's how the economics actually work.
Major coasters are attendance drivers. Cedar Point's Millennium Force or Six Flags' Kingda Ka become destination anchors—people plan trips around them. A single marquee coaster can boost park attendance by 5–15%, directly increasing ticket sales, in-park spending (food, merch, games), and hotel bookings. The "coaster cred" marketing value is immense.
Parks model projected attendance lift, per-cap spending increase, and secondary revenue (media rights, sponsorships) against discounted cash flows over 20–30 years. A coaster clearing a 15–20% IRR (internal rate of return) gets built. Most major installations at flagship parks clear this hurdle.
Failures happen when: market is saturated, coaster is poorly reviewed (rough, unreliable), park lacks supporting infrastructure, or external shocks hit (pandemic, recession). Son of Beast (Kings Island) and The Bat (original, Kings Island) are cautionary tales.
Iconic coasters become regional symbols—The Cyclone (Coney Island), Matterhorn (Disneyland), Steel Vengeance (Cedar Point). They create shared memories, family traditions, and engineering pride.
For a well-capitalized park in a viable market, a strategically chosen coaster is an investment, not an expense. The "waste" question only applies to vanity projects without business plans.