I think, Blog Flipping is the process in which One person create a blog and make it popular with the help of SEO and some useful unique content posting. After that, sell it to the other person at the higher price. In this way, The posts which are posting on this popular and old blog will help to improve the rank on the search engine.
Perhaps you want to monitor your own website's traffic, or keep tabs on a competitor's website. Whether you're trying to win new fans or customers, or you're just really curious about how popular your content is, there are many tools available that can help you. There are a number of methods that can be used from your own website, though some of these provide more of an estimate than a hard number. Other methods are more technical, and may exceed your needs. No matter what your professional needs are, learning how to monitor your web traffic and that of your competitors can help you ensure that your business succeeds.