I'm not going to question the altcoins you've already invested but maybe you should consider NFT gaming with play to earn feature as well. You could be a simple hodler if you want or support the ecosystem by becoming a player also. Use some of those earnings from the daily grind to accumulate more BTC or to pay up your bills.
This might get the work done if and only if the equivalent value of his altcoins could afford an entire team/pets or character to start playing and to earn as well.
On the other hand, selling an altcoin for another nft token also entails a lot more risk of losing especially now that they are on an all time high including AXS or DPET. Perhaps, exchanging his alt to bitcoin when it reaches a decent price is pretty much better while continuously stacking monthly or even better daily.