Start building full-body strength and cardio fitness at home for less than $30 with this dumbbell deal

You’ll be hard-pressed to find a better home workout tool than a set of dumbbells, and you can find plenty of pairs reduced in price in the New Year sales.

But which ones should you buy? So far, the top budget offer I’ve found is this 15lb CAP set at Walmart, now selling for less than $30 at Walmart.

You’re saving $6, which is a welcome discount on an already affordable product.

CAP Barbell 15lb Coated Rubber Hex Dumbbell: was $32.99, now $26.70 at Walmart

SAVE $6.29 CAP Barbell has a reputation for selling well-made products for a reasonable price, and these dumbbells are no different. They have rubber-coated heads to protect your floors and knurling on the handles for better grip. There are a range of weight options to suit every exerciser and if you buy them at Walmart you'll save yourself an extra few bucks too. 

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Why should you buy dumbbells?

Dumbbells are practical and versatile. Unlike a home cardio machine or barbell, they don't take up much room so can be stored out of sight then easily brought back out when you want to work out.

You can also use them to hit most fitness goals via a variety of workout styles.

If you want to elevate your heart rate, burn calories and improve your cardio fitness, high-intensity interval training (HIIT) workouts for fat loss will be your best friend.

If you’re looking to build strength and muscle, resistance training should be your first port of call.

And if you want to do both, high-intensity resistance training (HIRT) combines the two for an efficient fitness hit.

Which weight should you buy?

Dumbbells are great, but which dumbbell weight should you use?

Walmart has options from 5lb to 60lb, so most lifters will be able to find something that suits their ability with the type of exercise they're planning to perform.

As a general rule of thumb, if you’re doing 12 repetitions of an exercise, you should be able to perform all 12 with good technique but your muscles should feel tired and challenged by the final two or three.

You may need a few different pairs of dumbbells to suit different exercises, because you will be able to lift more weight with larger muscle groups, such as those in the legs, compared with smaller muscle groups in your arms or shoulders.

If you don't want to buy multiple sets of dumbbells, take a look at our guide to the best adjustable dumbbells which offer multiple weight options in one set.