Many people start the blog on a free blogging platform like blogger and WordPress. And after 6 months or 1 or 2 years time, if the person keeps on blogging, then he is almost certain to start feeling that he did a mistake! Mistake of starting the blog on a free blogging platform.
But do not think it as a mistake anymore. While starting a self hosted blog is a smart idea, but we know the fact that many blogs die within 1 to 6 months, so its good to start a blog on these blogging platform and invest some time to figure out whether blogging is for you or not. And it will be a good thing to learn the most basic things using those blogging platforms and then move or start a new self hosted blog.
Many people may advice to have a self hosted blog from day one, and we respect that idea too. If you can dedicate more time to learn and if you are commented enough for your blog and blogging, then either way you can start your blog.
Installing a self hosted WordPress is very easy and only takes minutes.
If you have a blog at blogger and want to transfer to your own self hosted WordPress blog, then here is a resource which will help you through the process.
For the text version of this tutorial you can follow this link labnol.org
And to be on safer side, do not forget to tell Google that you are moving your blog, at webmasters tool.