GREENSBORO, N.C. — They promise discounts on gas, groceries, and more — but at what cost? Retail loyalty programs offer tempting perks yet often come with a hidden price: your privacy.

“So, there’s a price for those perks, and it’s usually your information,” said Derek Kravitz, investigative reporter with Consumer Reports.

A new Consumer Reports investigation reveals one retailer pushing the limits, raising questions about how much personal information consumers are giving up — and who might follow their lead.

“Store chains often collect your name, home address, email address, and phone number. Then study what’s in your grocery cart. Many retailers do this, but Kroger, one of the largest grocery chains in the U.S., is doing it in a much bigger, profitable way.”

A Consumer Reports inve

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