Build a Website

i want to start a manual e currency/Voucher/Gift card exchange website like [login to view URL] [login to view URL] Requirement is both front end and back end. All functionality should be there as the parent site plus some extra customization. 1. I can add any currency/voucher/gift card merchant name and its icon in the back-end template which should reflect in front end. 2. i can update status of the order. 3. customer can track his order status. 4. Reserve should show only for the currency/voucher/card which customer want to buy. 5. some exchange between two products is not possible so there must be a message displaying like "exchange for your selection is currently not available". 6. when any status update in order,order update should be mailed to customer. 7. Customer order by default should have awaiting confirmation status. 8. please carefully check all functions and tables in parent site.