Channel Advisor said they will do everything for you and the system can help you so much on posting listing and making more sales. that's the not case. After you paid for the service, their representative push you around on fixing the issue yourself and give you some link to read and train yourself. Start charging you the first date without knowing what to do with their system. Takes a long time to finish the training because it takes times for them to respond your issue and help you with your issue but end up no resolution. I tried 6 months to work on their system but my sales didn't increase but waste of my time and money.