Get the Set of 2 CAP Barbell Rubber Coated Hex Dumbbells, which drop to as low as $10 at Walmart.com. These weights range from 5-50 lbs. Take this 5 lb set, listed at $29.99, now $10. That's $5 for each weight! This is the best price we could find by $4. The 10 lb set, listed at $49.99, drops to $20. This is also the lowest price we could find by a total of $10. We've seen them selling for $15-20 each elsewhere. Academy Sports is selling each 10 lb weight for $9.49 each but shipping starts at $7.69. These dumbbells have a solid cast iron and a protective rubber coating. In-store pickup is free. Shipping is $4.97 but free with $50. Sales tax is charged in most states.