CNBC Select chooses the best credit repair companies that can help you dispute incorrect information and raise your score.

Repair Clinic has changed, this use to be a good business, I don't know what happened, but they're not the same. After leaving this review, I'll never look at their website again.

In this article, we look at another variation of the FVF, known as the super source follower, before making detailed comparisons among the three designs and providing some intuitions.