Project for eGlobalSoft

Simple marketplace extension customization. I've been using an extension marketplace and now i need your help to Customization this. 1. Adding some form of attribute when the customer wants to be a seller and displayed on the admin. 2. Add vendor information when customers transaction in the sales orders admin page. 3. Added feature : Sellers can input the tracking code so when the seller input the tracking code on order status it will automatically changed to "Shipping Process" and automatically updated on customers order status page. 4. Customers can update the status to "Order Successful" when their order has been received and forwarded to the admin. 5. Add the location and name of the store sellers on their products. 6. Fix the error : Payment of bills the seller via admin does not include shipping costs only the price of their products. It should include the cost of shipping. 7. Fix the error : Delete .0000 currency digits and weight product digits on Magento. 8. Replace images product uploader into a simple image uploader. I will explain more to you in detail later. Please help me and submit your proposal now. Thank you.