This best-selling, compact elliptical has eight levels of adjustable resistance for customizing your workout.
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The 3 best cardio exercise machines on Amazon under $100
These best-selling machines can help you work up a sweat.
This foldable treadmill is so compact, you can store it under your sofa
Plus, it costs under $500.
Over 4,000 Amazon shoppers rave about this rowing machine — and it’s under $100
Kick up your workouts with a rowing machine that costs less than your sneakers.