Guest posting is a way to build quality, relevant backlinks. The document provides steps for finding blogs to guest post on, including using Google search queries and joining communities. It outlines criteria for evaluating potential blogs and how to contact them with post ideas and a sample article. Guidelines are given for outsourcing writing and checking the finished post for an author bio and backlink. The overall process allows bloggers to gain exposure while writers can build their online presence and brand through high-quality guest contributions.