Leonardo daVinci wasn't the best painter of his time - in fact, he was better known as an engineer.  Th only reason the famous Last Supper painting was painted - at Santa Maria della Grazie, was because daVinci had some time to kill.Nearly every fashion designer I've worked with over the past few years has been conceptualizing their fashion lines on the side... in their free time.  Here are four ways to know if you're ready to start your clothing line.Interested in learning from Krystal? Hop on the mailing list on krystaldouglas.com.