It's no secret that Costco is a bulk buyer's paradise, but some of its most underrated deals are on storage products.

If you’ve ever shopped at Costco, you’ve likely purchased something from its premium in-house brand, Kirkland Signature, which has become a household name and a great way to save money.

Costco's massive scale gives it a huge advantage when providing customers with low prices. Home Depot finally returned to same-store sales growth in Q4, but macro headwinds remain. One of these ...