The most common game plan for bloggers and site owners when they think about making money is they think: "I will write piles of good content and put adverts on it. The get rich."
Sadly this does not work very well for the average blogger.
Why not?
To be honest it is because the return per article is tiny - arround $0.04 per hour or less for the first year or two rising by as little as 10% year on year after that.
Writting good or even great content every day is very, very hard. Even reasonable content daily is a challenge.
What is needed is to have the time and skill to pour into a site where for the first year or two you earn nothing but spend every spare moment (after the day's article writting) making friends with other writters and bloggers.
However, what would also help is to have a better plan on how to get a revenue from you site. Adverts are the last thing you should be thinking about.