Amazon Websystem

I would like a websystem for selling in Amazon with the following features: - That can compare rivals prices of my listed products and do an automatic price update, reducing or increasing prices automatically everyday for being first in the sellers list within a profit limit. - That can check the [login to view URL] stock and Prime Sellers stock and their prices of the products I have listed, with daily update (changing to inactive unprofitable items and items with no stock, changing prices). - Search engine that can search using keywords through [login to view URL] products - A search engine that can search through selected sellers listed product from Europe and North America, displaying their products and being able to list them. - Search engine that can search through Amazon Best Sellers lists. - The search results of this search engine should display other Amazon stores in Europe and North America prices, their prices including shipping costs (2 different shipping costs), with updated exchange rate, (it would be desirable to have also weight, size and ASIN). - I would like to do a mark in some products for knowing they are products that are not good to list them. - I would like to be able to choose the products from the search results that I want to list, and be able to list in North American and European Amazon stores. - When I list the products I would like the system to calculate how much it would be with Registered Mail or SAL and I would like to be able to choose one of them. Depending the option, message in the “condition” seller amazon box and selling price would be different. - (Optional) Sales list. I would write with the keyboard the costs of every product and the system would calculate the profit of that product and all the products within a day, week or month. - A system that can be updated in the future adding more features, such as Ebay,,