Welcome! This guide is everything and anything you ever needed to know about list building. List building is a popular subject these days, especially in the world of online marketing. So if you are looking for current, up-to-date information you came to just the right place! If you are new to list building, this guide contains everything you need to know to get started in the industry. One of the first questions that pops into people’s heads when someone mentions “list building” is what is it, and why do I need it?