A few years back, Eric and Donna Reed shopped for groceries and household products just once for an entire year. How on Earth? I know. That was my reaction, too. The Reeds got the idea after reading a column in USA Today wherein the writer confessed to his weakness when it came to buying clothes. So driven to buy new sweaters, slacks or shoes every time he stepped inside a clothing store, he publicly announced he was giving up buying anything for one full year. Eric and Donna wondered if they could do the same. Their minds went to grocery stores and discount stores, the mall and Amazon. And what about restaurants and home improvement stores? they pondered. How would they handle gifts and seasonal items every household needs through the course of a year? The Reeds, like most of us, don’t simply stop at the store to pick up …