All of them will be shown step by step. Engineers who want to maximize personal flexibility and have limited business talents can make a nice living doing what they love to do with some control over their destiny.
Compensation is based more or less on hours worked.
Fabless chip makers are on the other end of the spectrum. The CEO has to be a fast-track business and operations manager. Marketing and international skills are of paramount importance. This is the model fraught with the most risk and the biggest financial payback. Most successful fabless chip startups are venture capital backed.