Freelance copywriter for website

Budget: $100 to $500

We are looking for someone to write the sales content of our new website. We need someone well versed in writing website copy. This is the actual nuts and bolts of the website.
The website's mission is to get the reader to sign up (either leave their information for contact later) or buy our services.
We are an author services company and need someone to bring our mission, services and products to life.
We want the writing to be personable, with touches of humor.
We want this to be fun while leading the customer to purchase our services. We want to make sure we come through in the copy. We want to make sure our integrity and the difference between our competitors is clear.
Experience is preferred.Please include samples of your work.