Building website html5 and php website

Can you break down the costs for each part of the project to. Don't worry about the price here. but the price you think can deliver the job. Building website html5 and PHP website a custom module made by SPA-single page application. in other words, backend website CodeIgniter and frontend are separated fully. to make the website faster with all the shared content of pics and videos! like [login to view URL] the important things to fox on 1 the sharing function. 2 control spammy contents, text, pics, videos, and links. need to have the sharing functionality. by URL web link, image or URL image link, URL video link like youtube. and can add text, and tags. Front End: 1. Home page with Search 2. Search page 3. Latest/Popular or Trending Profiles. 4. Videos/Text/Photos Filters or add report icon for users to report them. 5. About US/Contact Us ----------------- User Panel: 1. Dashboard, daily activity for all site users. 2. New Posts, 3. Profile Settings 4. Follow and following system 5. Share/ReBlog/Like Features 6. Sharing Youtube Video, or Facebook Video by uploading to my server or from the web by adding link not sure where it will be stored in that case. and can add tags field [login to view URL] pics by uploading jp files or other types of files, share it, add text along with it in one post, and [login to view URL] be saved to my server or by link not sure where it will be stored in that case and URL sharing support. and can add tags field 8 post and share texts . and can add anchor text. and can add tags field for seo. blogs for big articles up to 5000 words or 9. mini post [ no more than 300 words] 10. Notifications 11. create a reporting system where customers can report posts 12. 2 adds features, one at the top of the page. and 2nd on the side. ------------- Admin panel. 1. All types of posts management 2. User Management 3. General Settings 4. also we have to create a blacklist feature by mac email address or ip.. not sure which is the best way. its important thing, to prevent spammy content, link or texts? 5. User Avatar 6. membership billing/ types of membership for now optional [ can delay for few months] to control budget] 3 types of memberships. and with 3 different privileges according to subscription. these are the features I think somewhat basic features. Please have a review and let me know your thoughts? MILESTONES Step 1: PSD design with world-class, once you approved. 25% job done Step2: Design the database and core level code structure 25% job done. Step3: discuss again, before final delivery. if understand, then 25% job done. Step 4: send proper update, 25% project done. Step 5: very important, Once QA approved, then project completed. important note: Need Prices. time? can you break down the costs? maybe can do the projects on monthly steps by priorities. its just too concerning to put a lot of money at once and the site might not be that attractive to people.