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GfK Mystery Shopping has issued a warning to be on the lookout for a mystery shopper scam making the rounds. Here are 12 warning signs to look out for. [Earthtimes.org]

GfK Mystery Shopping has issued a warning to be on the lookout for a mystery shopper scam making the rounds. Here are 12 warning signs to look out for. [Earthtimes.org]

(Photo: Getty)

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