Backlinks do more than one thing for you. They help you with your search engine optimization and they help you because people could also click those links as well.
What are SEO backlinks and how do they help you?
Backlinks are links that point to your website from another online location. When search engines such as Google look at your website, they look at many different factors to help them determine whether or not your site is popular and number and quality of backlinks pointing to the site is one of the main factors. The more links pointing to your site, the more likely you are to be considered an authority in your niche and that will bring you more traffic. Because more traffic can equal more profit it's definitely worth your time and effort to attempt to get more links.
There are various types of backlinks and it would be worth it to learn about various different types and to then attempt to get as many different types as you can. There are 1 way, 2 way and 3 way links and the 1 way links are typically the most advantageous. If the 1 way links pointing to your site are very popular, this will be even better in terms of search engine potential.
Getting back links can happen naturally and you can buy links as well as trade links. A combination can work well for you, but it's not all about quantity; quality is important too.
Structuring back links
When deciding to point from other sites to your site, it's a good idea to do some keyword research to help you get the best search engine potential as well. Optimized keyword anchored backlinks will help your site rank for that keyword so that when people are searching for whatever it is that you are selling, there is more of a potential of your site being listed in the top results for that keyword. There are a lot of different keyword analyzing tools that can help you determine the best keywords to use in your backlink strategy. It's a much better idea to anchor with a relevant keyword than to just simply list the http address. By listing an address as the link name, you get SEO points but only for those searching for your URL name instead of by keyword which is the way people tend to search.
Learning as much as you can about back links, SEO, and other traffic-generating strategies will definitely increase your website's earning potential.