This is HNLwaves's TrustRating, which is based on both the number of reviews HNLwaves has written, and how many other people have voted those reviews as "helpful." It's a way to quickly to determine the value of any single review or reviewer, because it's based on how helpful HNLwaves has been to the Kudzu community.
They don't return phone calls. You physically have to track them down to get them respond to you. When you do get a hold of them, they are very hands-on. They will work with you to determine what you need.