Technology and mentality are very important. Without technology, no matter how good the mentality is, it is useless.

If there is technology and no good attitude, there may be problems in implementation;

Of course, a skilled person has full confidence in his own system, so his mentality is not so important;

But if you don't have much confidence in your trading system, then your mentality is very important;

I hope my answer can help friends in need;

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