Altcoins are not reliable for the long term, the successful tactics with alts is buying when no one is buying and selling when you are in profit, it is not something you cab hold for a long period of time.
If Bitcoin falls altcoins will lose value 2x, and even more, it is not a goof choice for a long term play obviously, but do not buy the idea that altcoins can't make you rich, the best money I made from crypto are all from altcoins, find the good ones and hold, when altcoins season begins you will be rewarded big time vs holding Bitcoin.