If you want to make money online, blogging is one of the secure income streams online. Unlike affiliate marketing you can be sure that you will make a certain amount every month. If you just starting out, you do not have any money to invest in a online money making method such as blogging, you always can start to use a free blogging service such as Blogger.com or wordpress.com.
If you have some money to spend you can buy a domain name. Or you can look for a expired domain name. This can increase your online earnings, because if the domain already have a high PR, this means you can get higher paying opportunities at get-paid-to-blog site such as Payperpost.com or Smorty.com.
If you are looking for expired domains check out these sites: Sitepoint.com
If you set up a blog on a expired domain with high PR and if you increase your Alexa ranking and Technorati ranking. You easily can make $200 to $ 300 per month.