Amazon Seller Central Re-pricing

We sell on Amazon Seller Central (NOT Pro Merchant) in the HOME category. We need to develop a simple app that will do a competitive price analysis and reprice each of the item's we have for sale on Amazon. The comparison must take both the item price and the shipping price into consideration. amazon seller central, seller central pricing, seller pricing amazon, competitive pricing analysis, web amazon, shipping comparison, web seller, merchant seller, windows sale, amazon price, featured seller amazon upc, ebay seller account sale freelance, ebay seller account sale 2009, ebay seller names sale, upload seller amazon, fetch amazon sale price php, aws items seller amazon, find marketplace seller amazon, usa ebay seller account sale feedback, ebay seller account sale