Amen mate, amen!

thanks to stop limit because he has done a good job helping many people reduce their losses. So my advice: never forget Stop Limit

But, I think it's not about the luck but its about how skillful you are in doing trading.

it is about practice, the more practice the person has, the better results the person will have

I was brave I bought some coins in the past that today gave me a certain profit

That's because you hold, if you had done day trade it would be something else.