Walmart offers the
Cap Barbell Vinyl-Coated Dumbbell in a variety of weight options, with prices starting at
$1. (
Amazon offers it in several weights for the same with free Prime shipping.) Choose in-store
pickup to avoid the $5.99 shipping charge. (Select weights also receive further discounts when you choose pickup.) That's tied with last week's mention and, excluding the below mention, that's the lowest price we could find by at least $3. It's made of solid cast iron with a water-resistant vinyl coating. It's available in most weights from 1 to 15 lbs.
Note: Alphaben via Amazon offers it in
6 lbs. for $15.50 with free shipping.