You can create your own custom set (for instance: a combination of up to 6 pairs of dumbbells with a combined weight of up 96 pounds) for under $ 100. (agymrat.com)
It's like trying to get stronger using the same pair of dumbbells for months on end. (cathe.com)
Soon you can add a small pair of dumbbells as resistance. (ironmanmagazine.com)