Customers Tire of Excuses for Rebates That Never Arrive

Some shoppers have found a way to transform one retailer's offer of a mail-in rebate into an instant rebate at a competitor's store. Rather than lose a sale, retailers will sometimes match a competitor's price, including a discount equivalent to any rebate offered. "This is not a new strategy,'' Mr. Kay said. "Merchants have matched competitors' prices on the fly for decades, maybe centuries."