My site already ranks well in the search engines do I still need a link building campaign? What criteria should I follow when choosing a potential site for a link?
* Must be related to your site * will give do follow links * The page where your link is added must have at least a link on their home page, if they cant give you a link on their home page
Keep up your OffPage optimization. Please remember the competition is on for 24 hours. If you loose your focus, the SERP will decrease.
yes, Link building is not one time task better continue follow the trick which you did in past, also try to build them base back link with high PR website
the other site should be relevant/related to your niche, and the site is well-maintained and not spammed
Yes. Link building should be a continuous process. If you get too comfortable with your ranking, you will soon see your website at the bottom of the search results especially if your competitors are employing continuous strategies.