If it sometimes feels as though your business is swimming against the tide, it probably is. Product returns, long the bane of industries like publishing, pharmaceuticals, and food retailing, have become an increasing burden for makers and sellers of almost every kind of good. In fact, the Wall Street Journal recently reported that the value of products that U.S. consumers return to the nation’s retailers each year exceeds $100 billion—or more than the GDP of two-thirds of the world’s countries.