Actually it is possible. but it is too risky because we will not know which altcoins that will really rise up more than 20x higher than the current price. Moreover, not all Altcoins are able to survive and then continue reaching the previous All Time High rven in the next bullish era. So, yes, I think that choosing altcoins will be much risky. I personally will prefer to Bitcoin  and continue to do DCA if possible. but once again, it will depwnd on the OP conditon and consideration. as long as the OP is able to hold the risk, it may not be a matter for him.