30 STARTUP IDEAS TO BUILD IN 2025 (ai agents, saas, tools etc) 1. 99designs but done by agents, called 99agents. Everything costs $9.99. $100M/year opportunity. 2. Agent called second opinion dot com. When you need a second opinion on something, DM it, AI answers. $20/month. 3. AI agent scanning Airbnb for buying opportunities. Agent handles all outreach and initial negotiation. $2500/month 4. agent that turns highest-performing sales calls into videos with avatars for video content and sales emails. $2k/month. 5. platform letting enterprises rent idle AI compute to others. $500k/year wasted on unused GPUs. take 10% of marketplace. 6. agent finding profitable chrome extensions being killed by manifest v3 changes. 41% of chrome extensions are not compatible with manifest v3 changes. buy cheap, rebuild better, 10x price. 7. AI that turns support ticket patterns into auto-generated documentation. $200/month. 8. tool that identifies which newsletter writers have high engagement, good organic growth but terrible monetization. partner with them, 5x revenue in 6 months and split upside. 9. agent scanning CRM to predict which deals actually close vs just inflate pipeline. $400/month. 10. AI analyzing customer feedback to find hidden product opportunities. stop building wrong features. $3k/month. Sell to fast growing VC-backed companies. 11. AI that builds custom agents from company documentation. not just knowledge base - full AI employees cloned from top performers. $10k/month/company. 12. agent monitoring when enterprise features get built by multiple customers. instant roadmap. $5k/month. 13. buy underperforming dev tools (100-500k ARR), add AI layer to automate support and onboarding. flip for 3x in 12 months. 14. AI that creates custom training paths based on role performance data. $500/month. 15. agent identifying which customer behaviors predict churn 90 days out. $400/month. 16. Agencies around ai tools that have raised $100M in last 12 months. Build productized service. Charge $3000/mo. Eventually they acquire you. 17. buy niche SaaS tools with loyal users but no AI features. add agents, double value, increase prices. 18. agent that turns sales call patterns into predictive playbooks. learn which discounts actually grow LTV vs just close deals. $500/month. 19. agent turning customer success patterns into automated playbooks. $300/month. 20. tool that identifies which product tutorials actually increase retention, uses agent to do tutorial optimization and eventually CRO. $500/month. 21. AI monitoring when teams accidentally rebuild existing features. save dev time. $500/month. 22. platform that turns support chat patterns into automated responses. $500/month. 23. agent finding which customer segments have highest expansion potential and helps close deals $5k/month. 24. AI that creates personalized sales decks from closed deal patterns. $2k/month. 25. tool identifying which feature requests come from highest LTV customers. $3k/month. 26. agent scanning when enterprise teams build internal tools. spot opportunities. $5k/month. 27. Agent that monitors employees contributions and gives bonuses based on variety of criteria like how well people like working with them to how much product they have shipped. $25/user 28. Tool that finds when companies' internal tools get more GitHub stars than their main product. catch spin-out opportunities early. $2k/month. 29. agent finding when teams solve same problems differently. standardize workflows. $5k/month. 30. IMDB for creators. SEO traffic. Eventually turn into the LinkedIn for creators. Broker deals, sell data. Get acquired by Google one day. build something people need. make it simple. make it do one thing, one thing well. charge money. leverage tech thats already out there. don’t bookmark this, build it, share it with friends to find collaborators. im rooting for you good luck.