I do not see the point in buying and holding cheap altcoins in the hope that they will become much more expensive. Bought, 2-3 days and sold, that's my strategy.
Where are the guarantees that during these 2-3 days, the purchased altcoins will not fall in price? As for me, long-term investments are much safer.
You need a certain strategy and experience. You can also use trading bots, this is one of the options. Look here