Yelp does the opposite: they require money to get truthful info (bad reviews) removed.
Reviews are BS anyway, I don't know you therefore why on earth would I listen to your opinion on something?
Because you trust them? Just as one can on news sites find a journalist that speaks to you, one can find and follow reviewers that do the same.
PS $5 a review? Seems expensive.
Maybe reread my post, preferably in context.