These days, the hottest fitness classes don't just torch calories -- they can burn a serious hole in your wallet, too. But while others might swear by fancy indoor cycling, yoga, and boot camp classes that can cost $40 a pop, new pay-what-you-can classes and other affordable fitness experiences are an equally awesome way to mix up your workouts on a budget.

And since varying your regular routine can help you break through fitness plateaus and beat workout boredom, that’s a very good thing. Even if you belong to a gym that offers plenty of classes, working out in a new environment can help reinvigorate your routine and keep you excited about sweating it out.
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Behold, tons of workouts that won’t empty your wallet:

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