Why do you think that alts are going to be more profitable than btc? It is the one that predicts the market so how it can be alts are going to be more profitable?
It is your personal preference, we have different choices either we go for Crypto or ALT coins, Investment to either of the two would required our own decision to make, remember that Market is Volatile, it is unpredictable, anything can happen with out our knowing? if we look at the market preview, we can notice the different of ALT coin performance against Bitcoin in the market, with the drop of Bitcoin some ALT coin gain momentum, yet still market is Volatile...