Dec. 2 2010 08:19 AM

Investor's Business Daily--Online sellers once again are using free shipping as a key weapon in the holiday shopping battlefields. (AMZN), Wal-Mart (WMT) and J.C. Penney (JCP) are some of the big e-tailers offering some version of free shipping to lure cost-conscious shoppers. Offering some type of free shipping is almost required nowadays. But will it end? Read more!