You should consider some reasons before using a Forex signals. 1. You should ask yourself when you really need it. 2. What kind of trader are you? Because some of the traders the work of analyzing markets and executing their trades manually and then watching on it, then this kind of trader won't need any trading signals. 3. You must ensure that the given signals are matching to your trading style, if you are a scalper don't use a signal which only gives up to 3 signals per day otherwise you will get mad. 4. Test the accuracy of its signal to have the better results.