We compared Costco and Sam's Club prices on store brand products to see which is the better deal
Business Insider
February 22, 2026
AI-Generated Deep Dive Summary
The article compares Costco and Sam's Club prices on their respective store-brand products, focusing on Kirkland Signature (Costco) and Member's Mark (Sam's Club). The study highlights that while both chains offer significant savings compared to name-brand items, Sam's Club often provides more economical options for everyday household goods like sugar, laundry detergent, and chicken nuggets. For example, a 10-pound bag of white granulated sugar costs less at Sam's Club ($7.28) than Costco's organic cane sugar option ($12). Similarly, Member's Mark laundry detergent is $3 cheaper per jug than Kirkland Signature. However, Costco excels in categories like batteries and bottled water, where its prices are either lower or nearly comparable to Sam's Club.
The article also notes that Costco has a broader selection of Kirkland Signature items, with 17 products compared to only 12 Member's Mark equivalents. This wider range can be beneficial for shoppers looking for specific items. The total cost of the 12 compared items was $150 at Sam's Club and $158 at Costco, showing a slight edge for Sam's Club in this comparison. However, both chains offer significant savings over name-brand alternatives across various categories, including pain medication, facial tissues, and coffee beans.
The study underscores the importance of price comparison when shopping at warehouse clubs. While both Costco and Sam's
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Originally published on Business Insider on 2/22/2026