Norm Brodsky is a writer for Inc. Magazine.  He is the co-writer of: The Knack: How Street Smart Entrepreneurs Learn to Handle Whatever Comes Up.  He also has started six businesses.  Lets call him an entrepreneur. 

In the April issue of Inc, Brodsky writes in his Street Smarts Column about lessons to use when your original plan goes out the window.  Here is a brief summary, but this is a must read:

1. Ask your customers what they need

2. Be flexible

3. Quit complaining

4. Make a new Plan NOW

5. Say “Yes” when others are saying “Maybe”