You cannot earn anything from your website if no one visits it. Whether you sell a product or service, use affiliate marketing, or even sell links, you still need to get some traffic. The best way to do this is to get search engine traffic (which is free) and the best way to do this is to use an SEO tool like Neurolinker. You can also write articles and submit to article directories, or participate in forum discussions. Search the web for more good techniques for building links to your site.