In general, the most heavily trafficked and high-producing monetized blogs fall into one of a few niches: finance, travel, beauty and fashion, health and fitness, food, and personal development. However, there are also lots of blog ideas that make money outside of the standard moneymaking niches. In the end, any blog is capable of making money. But the success of your blog depends largely on the amount of time, financial investment, and work the blog owner is willing to pour into the project.