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Peapod
The original online grocery service, launched in Chicago in 1989 and now serving cities in Wisconsin, Virginia and the Northeast, offers credit or re-delivery if you're not happy with any item. Buy a Market Day frozen meal and proceeds will go to the school of your choice. Minimum order: $50. Delivery fee: $5.95–$9.95, depending on how much you order.

www.peapod.com