When you start using an expert advisor, to trade in forex your understanding of the tool is very little. But slowly with the progress in trade you will begin to understand its working and will start depending on it too much too. This expert advisor is software programmed in the MQL language. Now the aim of the makers of the best forex advisor is that such a strategy is built that the trading will happen without the presence of the owner.
It is called a robot because it is automatic in nature. Thus it is able to perform tasks automatically once it is programmed for it.
Hence you can notice that choosing an expert advisor is no child's play. With experience and knowing the details only can you choose the one that will work for you in the long run. The best expert advisor would be that allows you to make profit by making some good speculations and allows for trading when the market trend is on the rise giving you the maximum benefit.
An expert advisor is one that will work on a set of rules that are simple to follow as well are based on the forex trading system that is proved in a real combat. They may work on one program that is set for it to work like the changing market conditions. They enter the trade only on certain specific preconditioned set of rules and this wait and strike policy is really beneficial as the loss due to trading in all available market conditions is minimized. Thus a best expert advisor is the one that has the three conditions. The first being able to scalp at a specific time range, second, that can trade in sideways market, and the last, trading in trending market.
Thus you will profit by having a best expert advisor at your behest.