Walmart offers the Edsal 48" 5-Shelf Steel Shelving Unit in Black, model no. UR245L-BLK, for $58. Opt for in-store pickup to dodge the $4.97 shipping fee. That's tied with our mention from August and the lowest total price we could find by $22. It measures 48" x 24" x 72" and features adjustable shelves and a 4,000-lb. total capacity.