WHITEHAT, Dofollow, High Authority 150+ links from WEB2.0,forum profiles, social network profiles, social bookmarks. All domain have HIGH DA 50+ and more than 90% links will be dofollow. Links in this link building or any of my service doesn’t have blog comment links for TIER1, links which loose authority over time due to increase in outbound links from one page. For contextual link building, Human readable 50 different articles written for your chosen keywords to enhance relevancy of the content( with image and youtube video if available for your keywords), with content writers that will have 2-3 links. These will than be posted on web 2.0 BLOG properties with your keywords as anchors in the articles. To further boost TIER1 link juice 9000 tier 2 links(90% dofollow links) are done to tier 1 links.