BigCommerce store with custom back-end GUI for easy admin work/duplicate-items in Stealth mode

start a new eComm web-site based on BigCommerce.com. with expertise in making "customized back end user-interface", so an "admin. person can edit/update" easily! basically -- ability to implement "customized user-interface" so admin can easily edit by click-button & check-mark box when "adding new items" , and making it Visible or Hidden-mode(stealth)" ... also URL for ea item would be same wordings as the product itself -- all-in-all: the result is": an easier-to-handle promoting/marketing/editing & duplicating items on web-site for much-simple performing of daily work! On this new [login to view URL] web-site; there would be only 3-type of Single Category item ... all graphics or HTML would be provided from Manuf's site! the 3 x items would be duplicated many times, so ea unique item(URL) would be listed on variety of Price-Compare sites (PPC portals) .