Most people would probably suggest ETH, BNB, MONERO, LTC, XRP, etc because they are the top coins in the market that has potential to improve it's value in the near future. But it is up to you on where would you invest your money in the future because there are some investors who risk their money in investing in shitcoins, and in few months later they are very lucky that they have been able to earn huge amount of profits from a shit coin.