on Just Publishing Advice:
Is a free blog an effective promotion tool?
Many popular blogs use a free blogging platform.
It all depends on what you want to achieve when you start a blog.
Do you want to promote a product or service? Are you an author? Do you want to promote your books?
Do you want to use a blogging site to make money from affiliate marketing?
Do you want to attract organic traffic, or to use your blog posts on social media to attract attention?
In all of these situations, it is possible to use free blog sites for the job.
Chris The Story Reading Ape's Blog 