Expert linkbuilder needed for submission and commenting

I need a good link-builder for this project. If you can do good, then more big projects will be awarded to you. I have 3 websites, I need to promote them. Thus I need- massive directory submissions massive social bookmarking submissions blog commenting. For now, pls bid for- 100 directory submissions * 3 sites =300 submissions 100 social bookmarking * 3 sites =300 submissions 100 dofollow blog comments * 3 sites =300 comments *** The project must be done within 7 days. And you must specify your price individually for 3 items. I have $30 for this project. Thanks Himanshu