Gold would retrace before rally again

Why can you see the general direction right, but make a bad point in the transaction, and lose money instead?

What is your basis for entering the market?

What should I do if my trading system encounters a retracement?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

As far as I know, many master traders will rely more on the sense of the market, how to cultivate this feeling?