Is it mandatory to save money; what if one does not save at all?

What if one does not save at all? This is the question a reader asked me after reading one of my recent columns about youngsters and savings. Is it mandatory to save? What happens if there is no saving? This is quite like the Finance 101 question on leverage. When we teach new students the financial structure of a business and point out the benefits of lending, it suddenly seems like a business needs no money of its own. What if it was funded