Tactics include fostering a tight-knit community, running limited-time promotions/raffles, collaborating with influential collectors/traders, and continuously expanding the utility and experiences for holders. Offering royalties on secondary sales can also incentivize long-term ownership. Regularly engaging your audience, teasing future plans, and building hype around your project are key to maintaining strong secondary demand.
source: https://www.blockchainappfactory.com/nft-marketing-services