Business School for Translators: http://wantwords.co.uk/school/
Written by Marta Stelmaszak, a legal and marketing translator from English into Polish. This excellent blog discusses every aspect of marketing yourself as a freelance translator from getting started to establishing yourself as an expert in your specialist field.
Translation Times: http://translationtimes.blogspot.co.uk/
Written by translating twins, Judy and Dagmar Jenner, this comprehensive and well-written blog deals with all aspects of working as a translator and/or interpreter for direct clients.
Marketing Tips for Translators: http://marketingtipsfortranslators.com/archive/blog/
Written by Tess Whitty, an English-Swedish translator. As the name suggests, this blog discusses all things marketing and includes interviews with experienced translators. An invaluable resource for both newbie and more experienced translators.
Thoughts on Translation: http://thoughtsontranslation.com/
Written by Corinne McKay, an English into French translator. This blog contains some excellent posts on the ethical dilemmas faced by freelance translators such as listing your clients’ details on marketing materials.
Mox’s Blog: http://mox.ingenierotraductor.com/
Written by Alejandro Moreno-Ramos, a freelance English & French to (European) Spanish translator, this blog is a series of cartoons which take a light-hearted look at life as a freelance translator. A great distraction after a stressful day.
This list is not conclusive, there are many excellent translation blogs out there but these five will give you a realistic idea of what life as a freelance translator is like.