Op, its good to manage extra fund for buying others altcoins without selling your holding asset like btc or eth. Cause those are potential cryptocurrency even still there are many people who keep buying eth and btc while they afford to manage extra money cause they choice the safe and secure long term investment. fantom, arb, Tezos, Zcash, zilla are good in my option. So check those out and take necessary step as you want
Buying altcoins is one of the ways we can also make profits from the market apart from investing in Bitcoin. The are project that has low market capitalization we can invest in and in few months we could be surprised if the kind of profits we are going to make as a result of investing in such a project. We can also look out to meme coins because some of them have good potentials even though it might not be for a long time holding. We can also make profits from those projects when we invest in those ones that what good team and community.