Dear Customer,
I went through your requirements and its pretty simple to me. I have already done couple of Amazon Scraper previously, you can also check my profile for my previous Amazon Scrapping work. https://www.freelancer.com/projects/Anything-Goes/Amazon-Scraper-unfinished-project-due/
I would like to offer you free prototype according to you requirements, if you are willing to see it then I will make it for you just in one day. Also, I can make a demo version if you approve prototype/ demo.
I am very expert in this area and also I will guarantee you 100% bug free product with after sale support.
I look forward hearing from you.
Faithfully,
Adeel