Not carelessly coins can be for long-term investments and for new tokens or coins it is also not recommended at all. Because it is really very risky, for long-term investments other than Bitcoin may be Ethereum, Litecoin, BNB, XRP or can be said to be the top 10 altcoins in the coinmarketcap.
Investing large amounts of money in new projects in the long term is very risky, it is likely that it will bring huge profits like altcoin being pumped on houbi. However, that ratio is very small