Looking for upvotes AND downvotes for Amazon Reviews.

Hi,
I'm looking for anybody who would do upvotes and downvotes on reviews for my Amazon Product. I have only one negative review, posted by competitor, that I need to push down from the first page. I think, it will required about 10 downvotes to do this.
At the same time, I would like to upvote positive reviews – so, the next time they post negative, it will have less of the chance of making to the first page.
In light of recent Amazon's crackdown on reviews and votes, these will have to…

Looking for upvotes AND downvotes for Amazon Reviews.