Leo Babauta writes about advising his 13-year old to start her own vegan cupcake business, and how that advice was shaped by his own experience.
Screw the business plan. Planning, like perfection, is useless and stands in your way. Sure, you want to think things through, but planning is based on faulty information (we can’t know the future). Instead, experiment. Get started. Do. Then see what happens, and adjust. Flexibility is much more important than a good plan.