[KongchangAI]
Expired50% confidenceFactExact time

Costco's private label Kirkland Signature accounts for approximately 25–30% of its total sales, with annual sales exceeding $60 billion.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)

Sources

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