What's your ultimate choice? Or both?

My final choice is both. I am particularly invested in the BNB platform All my money is invested in BNB. However, I am currently investing in the Ethereum platform.Because the current position is the highest position between BNB and Ethereum ALT coins.So I am currently invested in both Ethereum and BNB.Because these two coins are my favorite among ALT coins.
both do have good potential to be used as future investments, if you look at the advantages of speed and cheap transaction fees Bnb is much better than Eth and this can certainly provide benefits for traders to maximize profits. For me Ethereum is very influential on the growth of the value of Bitcoin, making Ethereum only a benchmark for other Altcoins and not suitable for short-term traders