Why investing in altcoin while there is a potential to invest on, bitcoin is more preferable especially now that price of bitcoin is hovering within 80-90k it is a better opportunity to hold more coin bitcoin in your possession than going back to look for other altcoin to put in your portfolio. If you look at most reputable altcoin they are underperformed due to how bitcoin has been stagnant for 80k position for weeks now, so holding different altcoin doesn't guaranteed your profit maximization.