Over time, due to both per-item shipping fees rising and higher volumes, Amazon's losses on shipping have been rising at an unsustainable rate. The gap last yea

Over time, due to both per-item shipping fees rising and higher volumes, Amazon's losses on shipping have been rising at an unsustainable rate. The gap last year between its shipping costs and shipping charges was about $3.5 billion, up from just $600 million 5 years ago. http://www.statista.com/statistics/236503/amazons-annual-shipping-revenue-and-outbound-shipping-costs/ http://www.statista.com/statistics/236503/amazons-annual-shi...