Your website or blog can easily become a source of stable revenues — if managed properly, that is. It can complement your publication with highly targeted, relevant ads. With digital advertising opportunities, publishers passively earn thousands of dollars by simply displaying ads to targeted audiences at the right time and in the right context. But how do you actually become a digital publisher? And what is the best way to sell ads? In this article, we will discuss how to start online advertising and will look at the three most effective methods to sell ads. Before you actually start selling advertising space on your website, make sure you fulfill all the requirements as a digital publisher. To be eligible, your site or blog must be active for at least six months and generate a sufficient amount of traffic. To apply for Google AdSense, publishers must attract around unique visitors per day to complete the necessary conversions. Invalid click activity, usage of malicious malware and ge...