Though sales and profits continue to soar with each passing year, shopping cart abandonment continues to pose a nightmare for online retailers around the world. From unexpected shipping costs to difficulty in finding a coupon code, the reasons are varied and plenty. And not surprisingly, 15% of these cases involved concerns about payment security. Another 9% customers had issues with unbearably long and complex checkout processes. According to the below Infographic created by Total Processing, retailers could have easily added £ 5.5 million to their total online sales last year by choosing the right payment solutions for their websites.