Walmart offers FitRx SmartBell Gym, 4-in-1 Portable Interchangeable Dumbbell, Barbell, and Kettlebell Set with Adjustable Weights, 60 Lbs. for $99 (orig. $149).  Free shipping with Prime or on orders over $25.

Product Description:

Get started on your strength training or journey to a fitter you with the FitRx SmartBell Gym. Four constructible pieces of workout equipment and twelve different weights all in one portable package. This hybrid set can be used as a barbell, kettlebell, plus a set of dumbbells or push-up handles. With up to 60lbs of weight, you can tailor your workouts to your fitness goals. Its sleek space-saving design makes it easy to store in your home gym or wherever you work out. Whether your goal is light toning, beginner strength training or advanced level weightlifting the FitRx SmartBell Gym was created with you in mind.