How to build a reliable trend trading system? Let's discuss

How do you view the theory that review is useless?

I resigned yesterday, due at the end of the month, I want to do trading full-time, but I don’t know how far this road can go?

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

What kind of system can accurately locate support resistance and trend when doing transactions?

How to distinguish between "noise" and "signal" in the trading field, and extract truly valuable information?

The financial market is flooded with a lot of information all the time, how can we extract something of real value from this information?