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Sweat cofounder Kayla Itsines

Kayla Itsines became a millionaire at 22 and sold her fitness app for $400 million—buying a gas station paid her rent

Fitness mogul Kayla Itsines says the first investment that made her money, and paid her rent, was a gas station: “Don’t put all your eggs in one basket.”

January 30, 2026

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