Backlinks work as a bread crumb on other pages to lead their visitors to go back to your own site. Finding high authority sites in your niche is one way to get a free backlink to your site. Realize, there are countless other ways you can build your traffic.
Backlink submissions help you get your URL indexed. If you are first starting out on the web, this is a very good first step in getting recognition from the search engines. Even now, this proves to being a good first preliminary step in providing the right backlinks to your page.
Also, be sure to utilize multiple free directory submission sites to attract more awareness to your page. These steps will greatly help you in your endeavors as far as building backlinks. Remember, this is only the start of your process. Use social media, blogs, and videos to build links.