This document provides tips and strategies for effective link building in 2018. It emphasizes focusing link building efforts on creating high-quality, valuable content that is relevant to target audiences and builds relationships. Specific tactics recommended include developing different types of content like guides, tutorials and case studies; promoting content through outreach; identifying opportunities for strategic partnerships; and consistently building a brand over time in a specific niche. The document stresses taking a content-first and audience-first approach to link building.