Coins that are not pumped up and underappreciated are because the team itself is still lacking in fighting for their own products in the market so that they are better known to the public because now every team must be smart in making attention to every investor so that their products can sell quickly in cryptocurrency.

You had better look for some variants to invest in spheres that are popular now. We can see that there is hype around metaverse and NFT-sphere. I don't know any solid projects that haven't pumped yet, buy you can search for them among upcoming projects. Also, alternative chains become more and more popular because of Ethereum's gas fees, so you can invest in their native tokens (Near, Fantom).