The best link building and SEO tools are LINK EMPEROR and PENNY BACKLINKS – goo.gl/wUcAUz I updated this video in 2014, so it’s relevant.
and (Open Site Explorer) are the best link services and backlinking services. You can buy a backlink and buy many high PR backlinks here. In my opinion and others, like Ryan Deiss, this is the best backlink service for the price. Not only that, but it is fast and they have proven results. They usually almost double the amount of back links that you purchase just to over deliver. Check it out and get some links to boost your rankings and help your SEO productions.