for big risk you can invest in new project.
but for safety and long term you can invest on top 10 coin like btc and eth.
but from the gain altcoin will give more if that project success.
but you can also lose your investment on that.
for me $40k is a huge value and if i had it i would choose the safest investment and stay away from high risk investments with big returns. even for me CMC top 10 not all of them are worthy for long term investment, only BTC ETH and BNB are worth for long term investment.
You choose a decent investment list of top coins for the portfolio, we should stay focused on the top 3 coins in the long term and don't choose other altcoins just because of temporary hype and even other coins are not guaranteed to increase when the market recovers, so hold on to the top 3 coins will earn high profits in the long term