{"@context":"https://schema.org","@type":"Dataset","name":"Costco vs BJ's retailer comparison","description":"BJ's leads the current sample. 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Warehouse-club packages are compared only when both retailers have compatible normalized units in the same reference market.","available":true,"comparison":{"firstStore":"Costco","secondStore":"BJ's","configuredCategories":6,"categoriesCompared":2,"retailerSourceCount":4,"firstStoreWins":0,"secondStoreWins":1,"ties":1,"summary":"BJ's leads the current sample. 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