The top 5 altcoins are good for investing, but I have chosen Tron and Waves when the price was still low, I still remember buying Waves for $2 and Tron coin for $0.06 then ATH just hit and now I have bought part of Ethereum for the long term. There are many different altcoin options you can have for a long term portfolio, but always do a market analysis before investing as the crypto market situation is volatile.