Deciding between using an Expert Advisor (EA) or manual trading in forex trading depends on each trader's personal preferences, skills, and experience. EAs can automate the trading process, which can be helpful for traders who want to save time or lack the expertise to trade manually. However, EAs can be complex and require ongoing maintenance and testing to ensure their effectiveness. Manual trading, on the other hand, allows traders to exercise more control over their trades and may be better suited for traders with a solid understanding of market dynamics and technical analysis. Ultimately, the best approach depends on each trader's goals, risk tolerance, and level of comfort with technology