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Hermès Kelly bag
Kelly bags by Hermès are a coveted second-hand purchase — and are also commonly ripped off.
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Seafood is one of the most commonly fraudulent foods we come in contact with, according to the ocean-conservation nonprofit Oceana. Your red snapper could actually be a tilapia fillet. That wild-caught salmon? It could be farm-raised.

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a woman carries a Louis Vuitton bag
Shelley Alvarado worked at Louis Vuitton for five years and says she was passionate about the product — and able to easily spot counterfeit bags.
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Fake Rolexes are no match for watch expert John Buckley, shown here on the job in black shirt and hat
Fake Rolex vs. real: NYC watch dealerJohn Buckley knows exactly how to spot a fake Rolex after working with luxury watches for 26 years.
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Hate to break it to you, but your truffle oil wasn't made from truffles. Your vanilla extract? Well, that's probably just a lab-made derivative of crude oil. And your shaker of Parmesan cheese? It probably has wood pulp inside.