I wouldnt put anymore than 70% of my money into bitcoin. it is still important to diversify into other investments such as stocks and ETFs even though they might not be as profitable or exciting as bitcoin. Putting your eggs in 1 basket puts your risk insanely high especially if you all in on bitcoin.
Yes, I agree that you should not put your money in a coin. Diversification of investment, choice of high-value coin investments, btc, Eth, xrp, ada, lcc, bch, these are good choices, so that we can safely invest in our investment