When we talk about investments, whether for the long or short term, there are always dangers associated with those investments. But the advantage of holding for the long term, particularly if you are investing in a potential coin such as Bitcoin, is that it frees you from the stress caused by the daily changes in the market because you are confident that the coin in which you have invested will increase in value in the future.
Long term investment is stress free while short term investment is stressful but more profitable.
Long-term investing doesn't work with altcoins, it works better with Bitcoin.
Investing in Bitcoin guarantees profits in the long run. While altcoins can also bring us huge profits, many tokens only exist for a while. So in some cases, short-term investing in altcoins can be more profitable.