Hello everyone, I would like to ask you how to become a stable profit trader, what aspects should be learned from it, I have read some books, such as price behavior, but still at a loss in the real market

Well , if you want to believe it or not !
So far, I have trade bitcoin since 2014 and the result always positive ( as we can see, the positive value on the graph )
If you're working, spend about 10% of your salary every month and Keep hold until next 10 or 20 years
You can see PROFIT