alt coins is the best trading to every one. because who new to this field that person don't no about this bit coins market. so first you have to invest in alt coin trading later you have to choose one best coin trading like eth coin or bit coin. then you get one complete idea about trading next you have to invest on any other coins. but see present market demands of that coins.every one try to invest in alt coins because it is easy and safe to earning money.coins trading os depends on market demand so you have to consider that parameter also.