If you're looking for some true honesty about the pitfalls and successes a business can encounter over 30 years to help you with your own business, you are in luck. Joanne Sandberg, owner of the largest Chem-Dry franchise in the world, talks about a myriad of things she has done well and a whole host of things she wishes she could do over again since buying her business from her parents in the 1980s.