How much value someone places on your work depends a lot on how much value you place on your own work – and how you portray that value.

Last weekend, I took my artwork to an arts fair for the first time, to dip my toes in the waters of selling some of my photographs.

The biggest question on my mind as I was preparing for the eventwas “How much do I sell my photo’s for?”

So I did some research into the prices people charge for their prints and came across a psychological idea I have never really...