Paid robots function well then free forex robots. Some robots give you good results and some of the worst robots for your account. making robots depends on a number of good strategies, but robots cannot make you profit always ... and many forex traders say that forex robots function and also benefit from the forex trading business and many forex traders say that they have lost all their money in forex trading business using EA trading. so you should try your EA on a demo account before using it in a real account.