The $110 BestOffice Wire Shelving Unit is now on sale at Walmart for $40, and it's perfect for storing all types of household products. "This is the best shelving unit I have ever owned." ...

This $130 5-tier shelving unit is on sale at Wayfair for only $74, and shoppers say it's "easy to put together" and "durable." "Super fast and easy install. Holds a lot of stuff." ...

Modular powder-coated steel-and-ash shelving unit by Jan & Henry. From about $450 at Menu: 760-230-6010 or menudesignshop.com. Image. Zig Zag Shelf Low. Oak shelving unit by Studio deForm.

Cookcok 4-Tier Foldable Storage Shelving Unit, $40 (was $110) at Walmart. Courtesy of Walmart. Its foldable design gives you the opportunity to break it down and store it away when you don't need it.

Collectors don’t typically focus on fast-furniture brands, however, there is one big, blue exception: Ikea. Since the 1940s, the king of flat-pack home goods has amassed a wonderfully wacky archive of ...