Costco vs. Walmart car battery warranties: What they promise (and what owners say is reality)

Costco's and Walmart's batteries are often priced around the same, so warranty coverage can make the difference in where you ...
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Should You Buy a Car at Costco?

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (iSeeCars) – From bulk items to free samples ...