Don't neglect financial education, even if you don't own a business, financial literacy is something you should be studying.
You must understand:
- How to use debt correctly
- Why interest rates rise or fall
- How the FED works
- How the banking system works
- How your mortgage really works
You must become a man that excels in all realms of human endeavor, has knowledge in many many areas of life. Doing so guarantees you're never taken advantage of.