Link building is the process of increasing the number of links pointing to a website. This can be done a variety of ways including sending requests to other websites to link to the site, or hiring a firm to handle this for you.

1. Research each directory and categories that will fit your domain/sites.
   

We all have heard what link buildings can do with our web sites and how it increases our indexed links on the search engines such as Google(tm)and Yahoo(tm)

As we all know, Google is now officially announce that buying/selling text link will risk your site. The penalties for link buying/selling are clear. See Google post at Google Webmaster Central .