How I've doubled my income, as a writer, in a year

I think that most self-employed people in the UK start thinking about their tax return towards the end of the year, or as we head into January, knowing the deadline is now looming. So, I’m sorry to say that last week I sat down and did my tax return. 

There was a boring admin-related reason for doing it now and so I sat at the kitchen table for a few hou…