NONE TRADEABLE CHART PATTERN

My usual trading system continues to fail, what should I do?

If a trading system built by myself often fails and causes losses, should I abandon this system and replace it with another one? Is there a stable and profitable trading system?

How do you view the theory that review is useless?

I have been unable to set the stop loss in the transaction, how can I do a good stop loss?

How to choose between opening a position through a breakthrough and opening a position with a pullback in trading?

In the era of bad technical indicators, can you still make money from technology?