Hello,
First, let me introduce myself, my name is Aron and I am a young freelancer from the Netherlands who has done a lot of projects involving the Amazon and eBay API in the past. If you look at my project history you can see I have made various projects with it. Because of this, I could get this project done efficiently and suggest you features and handy tricks along the way.
If you wish to know more about how I would do this project, want to know anything about my experience or have just about any other question, don't hesitate to contact me and I will be happy to respond.
Kind regards,
Aron