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Each BTS shopper represents $500, but they spend across 7 retailers, NPD Group says
PORT WASHINGTON, N.Y. — The back-to-school shopping season isn’t about one-stop shopping, The NPD Group reported Wednesday. Back-to-school shoppers make an average of 16 trips to purchase back-to-school related products between July and September, according to NPD’s receipt mining service, Checkout Tracking.