That might work versus to some other altcoins, but on some others it might not. As we've seen from the previous bull run, some alts went 100x. So your alt picks may take you to glory or to nothing. It's always a good strategy to hold a substantial amount of BTC.
That always matter on your decision either to Hold or not. Form me Investment in the stockarket is really important it means if I have more cryptocurrency after holding go for investing so that we will be able to achieve what everyone wants which is success. BTC has the highest value and can make many things to happen.