There are many ways to get more visitors and you know some. Now is that these means you provide good traffic expire or are they simply generating traffic.
Let me explain . We all know the systems of Yahoo advertising and Google Adwords kind . We use them often enough and for some, all the time. I call this tools generations traffic charged . You buy one direction of traffic to your site. If your site is well optimized for sale, it will sell , but you will earn less because you bought this trafic.