It seems timely, given what I’ve just done to my working life and income, that I should come across this post on Lisa Dempster’s blog.
I’m afraid this venture of mine might fail. But there’s the remote possibility that it might succeed… and even if it doesn’t, at least I will have learnt something.
avocado and lemon 
The sense of doom and failure is common to any new creative venture / project. And I understand where you’re coming from. Your positive attitude will get you through all the bumps. All the best. You can do it! 🙂