The archive
Earning cases
Real AI side-hustle and startup playbooks you can browse by earn model.
- Ai-Tool-CaseIntermediate
How a Non-Technical Founder Built a $20K/Month AI Business in 12 Hours
Est. revenue: $15K-$20K/mo MRR
After 15 failed projects, Louis Pereira shipped a one-button voice-to-text app in a hackathon β and woke up to Stripe notifications. Two years later, AudioPen generates $20K/month with no team and no ads.
- Ai-Tool-CaseIntermediate
How a Solo Developer Built an AI Mobile App Designer and Hit $10K MRR in 6 Weeks with Zero Ad Spend
Est. revenue: $25K+/mo MRR
Mattia Pomelli identified an underserved niche in AI mobile app design, repurposed code from 3 previous tools to ship in 21 days, and reached $10K MRR in 6 weeks using only content marketing β no ads, no PR, no launch.
- Ai-Tool-CaseBeginner
How a Non-Technical Founder Built a $30K/Month AI SaaS in 48 Hours
Est. revenue: $30,000/mo MRR
An Amazon FBA seller taught himself to code in 9 months with AI, built a SaaS in 48 hours, and hit $30K/month β all without a technical co-founder or ad spend.
- Ai-Tool-CaseIntermediate
How a Solo Founder Built Meerkats.ai to $3K MRR in 4 Weeks with AI Vibe Coding
Est. revenue: $3,000/mo MRR
Santanu Dasgupta spent 20 years in B2B go-to-market, then built Meerkats.ai solo using vibe coding β hitting $3,000 MRR in 4 weeks. Here's the full playbook.
- Ai-Tool-CaseIntermediate
How Danny Postma Built HeadshotPro to $300K/Month Solo Using AI
Est. revenue: $300K/mo MRR
From $0 to $300K/month MRR in under a year β a solo developer's blueprint for wrapping open-source AI models into a high-margin consumer SaaS.
- Agent WorkflowIntermediate
How I Built a $15K/Month AI Automation Agency as a Solo Founder Using Claude Code and n8n
Est. revenue: $12k-$15k/mo
Zero employees, $89/month tools, 25 hours/week β how Marcus Chen built a $15K MRR AI automation agency in 4 months