Buying new listed coins are not profitable all times but if you invest in already stable coins of this market, they can gives you better returns as compare to new listed coins.
True. You cant just generalize crypto that way. Some ICOs have lowwer price than its ICO price once it hits the market while other ICOs goes high and never go back to its ICO price. You need to learn the project, the product and the team behind it not only generalizing the method.
And now it is all getting a lot more difficult as more and more ICOs are popping where most of them is actually useless