buy UPTREND on 1h Chart EURUSD

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?

Ask for advice on how to manage trading positions in order to achieve long-term stable profits?

What should I do if I am about to liquidate?

What books did you guys read when you created your own trading system?

Why are there so few stable profitable Huiyou? There are many liquidated and repeated losses? Is it really because of technical analysis?