There are millions of blogs all around the Internet. Some people are earning money and some don't. Many of the bloggers use WordPress at the moment. You will need to be sure that your blog is protected.
Since scare tactics seem to be at the very least start considering the problem, or what drives some people to take secure your wordpress website a bit more seriously, allow me to shoot a couple of scare tactics your way.
Should your website's server go down, everything you have worked for will proceed with it. You will make no sales, get click this link signups or no visitors to your website, until you get the site back up 32, and in short, you're out of business.
I don't think there's a person out there that after learning just how much of a problem WordPress hacking is that it's a good idea to boost the safety of their blogs. However, something I've noticed over the years is that when it comes to securing their blogs, bloggers seem to be stuck in this state.
Upgrade, if you're not currently running the latest version of WordPress. Similar to maintaining your door unlocked when you leave for vacation, leaving your site is.
These are some of the things I do to secure my blogs. Fantastic thing is they don't require much time to perform. These are also options, which can be done easily.