I usually Invest a very small amount of bitcoin to another coin because I know this time is very crucial to invest in any new coin or even in an old coin.
Any suggestion from your side which is good for long term
My advice is that if you want to build your wealth, focus first on altcoins because altcoins will give you a 10-1000x price increase. For example, I have a close friend, he changed 1000$ to 100,000$ when he bought a Shiba Inu at the beginning of January 2021, but if If you want to maintain your wealth, buy Bitcoin because Bitcoin is future money in the future and Bitcoin is immune to inflation, depending on where you focus.