Costco’s Kirkland Signature private brand is one of the strongest draws to the mega warehouse chain, on par with the big name brands.

For all the ways people love saving money at Costco, there are still some products that just don't make its customers happy. Trending Now: 8 Top Costco Buys Still Loved by the Rich and Wealthy ...

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.