You can decide to blog about your personal habits, but no one would care about that unless you happen to be Paris Hilton. It would still be fine but we are here to help you make money. Identify a gap in the market, and go for it. A blog to enhance your professional income. Businesses need to blog – whether they are your own or you work for one
Start by asking why you are writing a blog. This will bring clarity on who you are writing for, and this in turn will help you determine what you are writing. A combination of originality and quality works beautifully—it takes you higher up on the search engines.