My Bottom Line: Charles Cohen, Probability
Charles Cohen is chief executive of the mobile gaming company Probability, external.
He recommends setting up a new business as cheaply and simply as possible. Make it real, as soon as you can.
Charles appeared on The Bottom Line which is broadcast on BBC Radio 4 and BBC World Service. Subscribe to the podcast or watch it on the BBC News Channel.
Find more business wisdom from other chief executives on the My Bottom Line, external website.