Today only, Home Depot offers the Gladiator 77" 4-Shelf Steel Shelving Unit, model no. GARS774SZG, for $199. Coupon code "HDSNEAK30" cuts it to $139.30. Opt for ship-to-store pickup to dodge the $55 shipping fee. That's $11 under our mention from two weeks ago and the lowest price we could find by $39. It measures 77" x 73" x 24" and supports 2,000 lbs. per shelf.