Amazon Prime vs. Costco: Who's cheaper?

Mirror, mirror, on the wall…who's the cheapest of them all?

A recent head-to-head price comparison of Costco Wholesale and Amazon Prime finds the warehouse club is 19% cheaper than the e-commerce giant.

The price research done by Business Insider shows that Costco beats Amazon in all but one product that was surveyed.

Read the full comparison at Clark.com.

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