This Plano 4-Tier Heavy-Duty Plastic Shelves Unit drops from $34.32 to $14.97 at Walmart.com. Shipping adds $4.97 or is free with in-store pickup. This is the lowest price we could find by $5. It features four shelves, is Impact and rust-resistant, and measures 14.25"L x 22"W x 48.25"H. Sales tax is charged in most states.