Your were successful doesn't mean someone else will be.  It could be you were online at the right times to pick those signals, you're the smart type to know when to sell or maybe luck was just on your side. This is how those groups works the admin buys that particular coin/token most times before he send the signals to pump then group members all rush to buy pumping the price and note every pumps comes with a dumps (almost immediate correction) unlike natural growth. Also must pump and dump encourages the buying of worthless tokens which I'm 100% against