Not sure how to answer that one. How about the fact that we started off owning websites and only came to SEO because we were good at it. We also care that you are successful, which makes a difference.
If you spend money with us and what we do makes no difference we will not only refund your money, but we'll give up SEO as well.
If you need visitors to your site then you need to think about a strategy to get them. There are many resources on the web to allow you to get some knowledge of SEO, I'll list a few of them below.
You should visit these anyway to get a feel for the subject if you have the time.