How do you know if you can trade full-time?

Is there a future for giving up your studies and doing business?

Can retail investors make a lot of money by trading? How can I earn it?

Seeking expert guidance, what is the difference between left-hand trading and right-hand trading?

In trading, how to solve the problem of being hit by the market back and forth with stop loss? What is the basis for the solution?

Winning ratio and profit-loss ratio, which one do you value more?