Optimize images by mentioning the ALT Text and a short description of the image in your blog post to rank better in Google.
Focus on good content, not on monetization. Over time, money and benefits will follow good content.
Use technology - Social plugins and SEO tools are a great thing to market your blog or a blog post. If you do not know about it, then learn it. It helps you reach out your audience in a better way and also improves the ranking of your blog.