Threads/Posts to add/remove reputation

[Thr33]

i run a site where we have shares. i would to require them to keep a share ratio and to do this have 20 reputation to access the shares category. when you post a new thread (share) you are granted a reputation credit, when posting a post/reply (enabling hide hack function to reveal hidden content) it will cost you a rep credit.

understand what i mean? it wouldnt be a product, it would have to be a template edit.