A website or blog requires a good deal of time and effort to attract quality traffic. Now, what if your website gets a good amount of traffic, but generates no money? Placing advertisements on the site would be the key to success. Undoubtedly, selling advertising space on your site can be a wonderful way to earn money, particularly if you are a blogger or a small business entrepreneur. However, it's not as easy as you might think, and requires tremendous effort to set up.