There are 4 things that you would have to look for a money-making expert advisor:

1. High percentage of winning trades - means the EA would detect a lot more winning trades than losing ones. In other word, the EA that has the least drawdown percentage (losing trades).


2. The least loss in each trade - means the EA has strict stop-loss policy to ensure minimal losses on losing trades.


3. Software maker/seller that can show proven, Live forex account results that meets both requirements above on their website.


4. Have huge customer base - indicating satisfaction of the product usage.

Any MetaTrader Expert Advisor that meet these criteria above should definitely be considered. Read reviews from other users could also help in the decision-making.