You need to make sure that you can create plenty of useful content in order to achieve the best results with your SEO efforts, but things are not that simple. You also need to be able to create content that is highly targeted to your market niche and that is going to be even more important.
Once you are able to start coming up with highly valuable content, you will see that the results will start coming in faster and that is going to help you get more visitors that convert. Just remember that you need to focus on your niche.