Customers want to come to a grocery store and purchase clean, organized and aesthetically pleasing food. Yet that vision is ruined by the arrival of one thing - pests. Rodents, flies and other insects can truly ruin a grocery store's profitability, Supermarket News stated. They may break into food product, scare customers or begin to nibble at fresh produce. Regardless of their actions, it could send people headed for the hills, leaving your grocery store in a rut. Consider these tips to keep pests out.