Investing in bitcoin and Ethereum is a good investment and probably the best investment that you could do in the cryptocurrency market, bitcoin and Ethereum is the safest investment considering its both top crypto.
If you want to invest in NFT's you could do that as well since NFT's are on fire right now and we could easily expect a great profit in these NFT's just make sure to buy in the creator itself, not in the secondary market.
NFT's token is a good investment as well because most of it is low cap tokens that have a lot of room to grow, this token is gonna blow up in the future that could give you 5x or even more.