Google adsense is surely the most dominant tool for monetizing online content. Its also more popular among niche users also who try to make quick bucks online using adsense. Here are few common mistakes they make 1.Write/publish unique content - Google always insists on unique and quality content, make sure you publish unique content. 2.SEO - SEO plays an important role in driving traffic towards your blog,so make sure you do good onpage & offpage seo 3.Publish Regularly- Keeping writing quality posts regularly if you are into blogging at-least 5 blogs per week to succeed . Hope this information will be helpful. Happy blogging and earnings.