Yes, it can be usefull. But it has more cons than pro. I mean to say you can earn very little from it. Not just profit but also experience. If you are signal trader you can never make yourself as pro trader as you would be dependable to other’s decisions. And that’s not good at all. Yes, you can take mentorship for your trading or expert help like I do with Eurotrader. I wrote their education blogs and many other useful elements which makes me a better trader.