Shoppers who joined Costco with cheap TVs and bulk toilet paper in mind may not have considered all the health-related goods and services available at the warehouse club. Cheapism.com compared prices on a handful of items at Costco, Walmart, a regional supermarket chain in Columbus, Ohio, and online sources. The warehouse club undercuts the competition, sometimes by significant amounts, on products from organic food to medication to insurance. Here's where consumers can find savings to keep the whole family healthy -- even the pets.
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