Remember to leave some money every month, so that you will have a lot of savings when you graduate. You can learn about stock trading, foreign exchange and futures. Roll more and more money, then work for a few years to learn from other people's management experience, and then start your own business. .........
Of course, your own efforts are the most important!
Never have a girlfriend! The lesson of blood! It takes money, time and affection. The key is to learn a lot less when you have a girlfriend. Never give up your happiness for a moment!
It's not too late to find a job with a stable income!