Learn how to manage your time. Money management is super important,

if I may add to that...

11/ Stay out of marxist educational facilitates - which generally means avoid university like the plague.
(unless specializing - like a doctor, or something)

Further education is a financial con, and an educational black hole...

...managing your time and money starts with not wasting 4 years of your life, and getting into crippling debt -for years and years.
Debt slavery is not freedom.

...Just sayin'..