New price low! Walmart has the 210lb BalanceFrom Olympic Bumper Plate Weight Set (2" Diameter; BLK-BP210) on sale for $130 with free shipping. Includes: 2x25lb + 2x35lb + 2x45lb plates. Roughly 62 cents per pound. 

• The 100lb - 370lb sets are also on sale, but the 210lb is the cheapest per pound.