GroceryActive
Costco Members: 4-Ct 8-Oz Kirkland Signature Grass-Fed Butter
$8.99$10.99
Save $2.00 (18% off)
53/100Sweet Dill rating · Watch
How to get this price
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Tracking started
One observed price
$8.99on November 4, 2026
We’ll show price movement after another verified observation.
Last verified by Sweet Dill
11/4/2026, 6:09:32 PM
Active
About this deal
Costco Members: 4-Ct 8-Oz Kirkland Signature Grass-Fed Butter is available from Costco Wholesale for $8.99. Key details include a 95% Grass-Fed Butter and Product of New Zealand or Ireland.
Buyer guidance
Good to have!
Based on 19 sampled buyer comments. Individual comments and usernames are not republished.
What makes it worth considering
- The $8.99 price is 18% below the $10.99 listed price.
- Good to have!
Deal quality
Price, product evidence, buyer signal, seller confidence, and deal terms all affect the score.
53/100
Watch signal
40% score confidence19 buyer comments sampled
Price
27
Product
60
Buyer interest
73
Buyer sentiment
50
Seller confidence
40
Deal terms
100
Product details and verification
- 95% Grass-Fed Butter
- Product of New Zealand or Ireland
What we could not verify
- Retailer product page content was not independently verified.
- No manufacturer specification source was verified.
- No reputable independent review source was verified.
Independent evidence