Channel Advisor promised to feed your products to a variety of shopping comparison sites from just one feed. Our experience was completely different to this. We signed up to what seemed to be the perfect solution. The problem is once we had signed up - we were in a contract. Most of the feeds needed remapping, & when you have over 2000 products this is impossible. The categories needed remapping also. After 6 months we told them it was not working as described by the salesman and wished no longer to use the product, or feed was stopped, and contact was broken. 4 month down the line they still hold us to the £350 a month. Do not sign up for channel advisor unless you are prepared to remap most of your products. Communication was very poor. The 'Implementation Manager', did not implement anything. Customer care was hideous. Don't use ChannelAdvisor.