Profitero: willing to spend money to make money, CEO says

Start-up e-commerce membership site took off less than two weeks ago, but it's already flying with big ambitions. With a $49.99 annual membership fee and free shipping for orders of more than $35, the site has Amazon Prime, warehouse clubs and online retail sites squarely in its sights. In an interview with CNBC's "On the Money," founder and CEO Marc Lore claims that shoppers get more value the more they buy.

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