Dating apps often fail to serve niche communities well, leading to mismatched connections and wasted time. You'd build a platform that lets users specify their subculture/values first, then applies proven matching algorithms. Members of tight-knit communities (e.g., open-source developers, teachers) would pay for higher-quality matches that understand their lifestyle. Start with one verified community and manual matching to prove the concept. The biggest risk is failing to reach critical mass in any single niche.
Monetize through monthly subscriptions or one-time match fees from serious users who value quality over quantity of matches. Integrate community-specific icebreakers and moderation to maintain standards.