A good decision. Altcoins are only for those that can afford to take risk. Better to stick with established and well known coins like eth and btc.
This is one of the safest coin in the market and yes, newbies can rely on this one with caution.
There's a lot of project that will rise again if the bull market begin, and some on the list of OP already show their potential price. I don't know the basis of these projection especially on a token that I'm not familiar with, Invest on the list with caution and with your own research.
Remember that ETH is also altcoin so so the safest is Bitcoin but we can also expect from good performing altcoin like Ripple and ETH.
also Defi on the other hand are making its way up but still think twice before investing because lots of negative impressions are going now against these currencies.