I think it's better to trade alone. By trading our own MM the better, our minds are also clearer. But if anyone wants to use a signal, that's okay too. Trading has to be realistic, if you buy this signal, it's called looking for a sleeping partner. In addition, if you trade alone, such as loss, it is the fault of yourself, not the signaler. A little from my experience, there are acquaintances who use forex copy, he said that if profit is considered normal, it is a turn to lose once it can be abused.