everyone knows that Binance is the best exchanger out there because This exchange is great for both novice and expert traders, Binance also has options built into the UI so it's really easy to switch between the two modes, a feature that makes their UI very user-friendly. Apart from that, we will never face any liquidity problems when using Binance as Binance is always in the top 5 in CMC by volume.
While for the best Altcoins for investment, of course, ethereum and BNB are altcoins that can be our choices for both long and short term investments.