I chose a broker that would be understandable and convenient, but not in this regard, Expertoption was very suitable for me because the functionality is quite clear and the conditions are favorable for beginners
Everyone makes mistakes if they take action, come with experience of change and approach to trading, which leads to the avoidance of negative situations.
You are absolutely right, the sooner we understand that not everything will happen the way we wanted, and in a good direction, the easier it will be to perceive.
I also think it's right to start with a demo account, and this is what I did when I started working with the broker Expertoption, because in that case I was able to find out the platform with which I have to work on a real account and all the nuances.