Walmart offers FitRx Smartbell, Quick Select Adjustable Dumbbell, 5-52lbs. for $99 (orig. $199) with free shipping.

Product Description:
Maximize your strength training with minimal equipment. The FitRx SmartBell can be adjusted in custom increments from weights ranging from 5 to 52 pounds and all it takes is a simple turn of a dial. This space-saving design comes with a durable storage rack to hold plates when not in use. It also features an anti-slip handle and safety locks for a more secure and seamless workout. Increase the weight as your strength grows and get the results you want!
FitRx Smartbell, Quick Select Adjustable Dumbbell, 5-52lbs.

• Multiple weights in one device, 5-52lbs 
• Quick-adjust dial to add or remove weight increments with anti-slip handle and safety lock that keeps plates secure during your workout 
• Includes durable storage rack for unused plates 
• Easy wipe down maintenance