I have a few Eth and Btc, but was thinking today how it would make more sense to hold a portfolio of say the top 10 coins weighted by market cap, and rebalance

I have a few Eth and Btc, but was thinking today how it would make more sense to hold a portfolio of say the top 10 coins weighted by market cap, and rebalance every month based on https://coinmarketcap.com/ https://coinmarketcap.com/