Custom Configuration of Drupal 7 product page

Environment: Linux, Drupal 7, Commerce module Business Scenario: Creation of an interactive and user friendly purchasing shopping experience for users of a printing website. The product page experience should be configured similar to that of [login to view URL] Progression based process(Steps 1,2,3,4 etc). Real time calculation of product cost based on varying options. Calculation of shipping based user inputted zip code. Ability to upload user specific images to be associated with a specific product purchase. Term and conditions verification. Configure varying product pages templates in drupal7 to function similar to [login to view URL] Example: Product Page b1) [login to view URL] b2) [login to view URL] b3) [login to view URL] Please provide: 1) A timeline for completion? 2) A brief technical overview of how you the implementation will be like in drupal? We want to gauge if you know drupal or not. 3) If you done similar customization of the products page before please provide examples. Preference will be given to those that respond with a thoughtful response.