The latest money-saving trend taking over is the "no-spend month," which encourages TikTok users to cut out all non-essential purchases for a set period. The no-spend rulesThe "no-spend" challenge can last for a week, a month or even a full year. On its face, "the no-buy challenge is as much pragmatic as it is symbolic," according to Gregory Stoller, a professor at Boston University's Questrom School of Business. "The potential complication with the no-buy challenge is to what extent people are willing to honor their commitment," Stoller said. Rather than hop on the latest extreme fad, "it comes back to setting a budget and setting expectations," Rossman said.

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Persons: Gregory Stoller, Ted Rossman, Stoller, Rossman, Paul Hoffman Organizations: Boston University's Questrom School of Business, Finance, Bankrate, CNBC