There are many reasons for engaging in a link campaign. In Google, links are one of the most important factors in determining a sites rank in the search engine results page (SERPs). Since this is such a crucial factor in Google's algorithm (as well as the other search engines), a link campaign should be part of your search engine marketing efforts.

In-Bound (One-way) Links are the best type of links if you can get them. It's not all that difficult to do so, but as in anything worth while, there will be an amount of effort involved.The easiest way to get In bound links to your site is to do directory submissions. There are many great free directories to submit to, and it's worth the time and effort to get listed in as many as you possibly can.