So, create a unique Login ID for this individual account. Make sure that your login info for the Add on domain is NOT the same as your master FTP account.
Don't forget to back up our database tables for this account just in case. I do not believe unassigning will delete those tables and database but it's always a good idea to back them up.
Google Trends helps to find out how popular a search term or word is. Market Samurai is a great tool which I use to find detailed analysis of the topics and markets I want to get into.
While you do not have to register your domain through the same company that you host your blog with, if you are a beginner it may be easier to do so and you may save yourself the $10 registration fee as well. The only hosting company I ever recommend is Bluehost. I use Bluehost for all my websites and I now have over twenty different sites. Not only do they have everything you need to quickly and easily set up you blog, but they also have 24/7 customer service that is second to none.
Some blogs have "how-to" tutorials, some have photos, animations, cartoons and videos as their content. The most click here popular blogs are the non-fiction and "how-to" blogs.
WordPress automatically installs a pre-written first post for you. You can either delete it by writing over it, or selecting Add New under Posts tab on the left hand panel.