But sometimes shopping at Walmart isn't nabbing you the best bang ... but the number of e-gift cards is growing astronomically as well, with an annual growth rate of 26%, but a whopping $3 billion ...

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Savings Catcher uses proprietary technology to compare competing retailer ads and reimburses shoppers via an eGift card if a competitor’s offering is priced lower than the price paid at Walmart.

the customer receives a Walmart eGift Card for the difference. Digital receipts platform Savings Catcher is a central component of a new digital receipt platform rolling out Walmart stores this ...