Fortune chats with a few American Ninja Warrior competitors who have started their own training gyms.
Preparing wannabe ninjas to tackle the Jumping Spider, Rope Swing, or Rolling Barrel isn’t cheap. Wilczewski says opening a ninja gym can cost anywhere from $50,000 to $250,000, depending on the complexity of the facility. (He says annual revenue can then run in the $200,000 to $500,000-and-up range. Athletes like Jessica Lynne Clayton, a single mom with three children in Douglasville, Ga., was so pumped up about competing, she took a part-time job at Ninjakour, a ninja gym in Atlanta, so that she could train daily for free.
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