Hey guys im opening a site with Ryan55, he is doing extremely good but i dont want him to work too hard so im just inquiring how much some of you coders would charge for anything on this list to be coded...

1. PHP Chat system (Like Facebook Chat)
2. Private messaging inbox system
3. Notification system (for example on fb when a user likes ur status is shows as a notification *like that * )
4. Video uploader/view (like how facebook has it )

thanks guys