This is exactly the point. There is always a fear when you are new to a business. You will be trying to get it right and when things are not working the way that you plan, you may end up feeling stressed and unhappy about the whole idea of running a business.
If your hard earned money is on the line when you are not sure the new business is going to be a success or a failure, fear is bound to creep in hold you. It's when you've started witnessing positive result that your mind will be less under pressure.