The challenge of working on a project part-time is not a limit on time; it is follow through. For example if you can give 15 hours a week to a project at 100% y

The challenge of working on a project part-time is not a limit on time; it is follow through. For example if you can give 15 hours a week to a project at 100% you will be able to build something significant within a few months. If you don't have strong drive the 100% and 15 hours will both drop, and in the end you'll just have an idea that never happened.