http://www.clubwww1.com/dating/member/blog_post_view.php?postId=11510
For advertising advertisements to work, you need to mix above normal click-through rates, with unhealthy advertising rates and provide either a high-ticket solution, something with a high markup (like an information product) or have a strong back-end set up which means you make money on the next, next, fourth and even twentieth sale.