Mate most of trading group or channel are paid and some group are free for crypto trading. But some trading signal has give us most helpful signal in trading market to take profit. But it's not mean all signal are right way on that request so becarefull if you take a great profit in market so it's very easy learn first of market and signals after that you have not any fear about it. Some trading signal are right and some are not so first you have learn of crypto market and after enter this
Thanks for interesting question