Not all ea can work profitable, despite easy to attached in trading platform MT4 or MT5, however using ea has own risk, withouit risk management in the ea, it will possible make margin call quickly.
Overconfidence is a silent threat that often creeps in after a few successful trades. It's crucial for traders to recognize the fine line between confidence and overconfidence. Taking a practical approach to decision-making involves constant self-assessment and the ability to remain grounded, even during periods of success.
For practical decision making, practical knowledge is essential to have. Practical knowledge can be gained when traders practically descend down to trading.