i think, apart from ethereum, solana and Polygon, everything should be dropped or you replace. but for long term investment ethereum is better. for Solana and Polygon it's good enough for temporary holding or for medium term investment.
This is just my opinion, you can analyze it yourself and choose for yourself. everyone has their own opinion, so you can choose which answer you like.
I think better with Polygon still have cheapest price than ethereum and Solana have higher price nowadaya. Actually worth long term investment with ethereum and Solana but have reach higher price have ability with small profit than with Polygon still lower peice. Maybe small assets still have bigger chance with earning profit by investing on Polygon coins than Ethereum and Solana coins.