A lot of depends how popular NFT collection is and what company or person created this collection.
It is necessary to check everything befor th buy NFT.
NFT of famous author or from famous collection now is very expensive and not available for many people.
It is necessary to have special knowlege and experience to choose the right NFT collection for investment.
Investment requires knowlege and experience.
Famous NFT collection are very expensive and unavailable for investment.