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How to build a $10K-$50K/month business with AI, one painful feature, and no VC money.
What is a microSaaS?
A microSaaS is:
Extremely niche audience
One feature done insanely well
Built solo or with a tiny team
Focused on profit, not scale
The target: $10K-$50K/month profit.
The build cost: Often under $500. The margin: 80-90%.
Why Build One?
Low capital to start. High margins. Lifestyle-friendly (not 120-hour weeks). 100% equity stays with you. Growing marketplace for exits.
Real Examples
Bank Statement Converter — $40K MRR, solo founder. Converts PDF bank statements to Excel. That's it. Why it works: Good domain. Clear pain point. Does one thing perfectly.
Projection Lab — $24K MRR. Visualizes your future net worth. Priced at $109/year.
Cleanvoice — $20K MRR. Removes filler words, background noise, mouth sounds from podcasts. 15,000 podcasters use it.
Pattern: Great brand + acute pain + one feature = traction.
The Growth Flywheel
Build audience/community → Learn acute pains → Build product → Generate word of mouth → Create recurring revenue → Reinvest into audience
Example: Boring Marketing started as just a Twitter account about AI marketing workflows. Business built around it later.
Start with the audience. The product follows the pain.
The User Journey
Manual workflow exists (painful)
User searches Google/ChatGPT for fix
Finds your micro SaaS (domain matters)
Has “wow moment” using product
Trial → sees value → pays $19/month
Tells friends or gets incentivized to share
The domain thing: Long descriptive .coms like “bankstatementconverter” are often still available. Check before you assume.
4 Micro SaaS Ideas (Free)
1. Niche Newsletter Monetization ToolPain: Creators don't know what sponsors pay. Solution: Database of newsletter sponsorship rates by niche. Pricing: $29/month. Growth: Publish anonymized rate data → creators share → SEO compounds.
2. VS Picker (Comparison Engine)Pain: B2B buyers research tools endlessly. Solution: AI-generated comparison pages for any SaaS matchup. Moat: Data from user queries. Pricing: $49/month. Growth: “LaunchDarkly vs Split 2025” = long-tail SEO gold.
3. Cart Saver (Shopify Video Recovery)Pain: 70% cart abandonment. Solution: Auto-generate 30-sec personalized video using 11 Labs voice clone + Canva API for carts over $100. Pricing: 1% of recovered revenue. Growth: Twitter account about cart recovery + A/B conversion graphs.
4. Grant GuruPain: Grant applications are brutal. Solution: 5 prompts → AI drafts full proposal matching foundation's language. Pricing: $149/proposal or $99/month unlimited. Growth: “Funded via Grant Guru” leaderboard. Foundations love success stories.
The Playbook
Ship → Learn → Iterate
Post daily until something pops. Analyze why it worked. Create spin-offs. 30% spin-offs, 70% experiments. Add winners to rotation.
When YouTube underperforms after 2 weeks: change the title. When a post type dies: cycle out, test new.
The Reality Check
Not everyone who builds a micro SaaS wins. The odds are against you.
But if you:
Build audience
Learn real pains
Ship products that solve them
Iterate based on what works
Your odds go up with every rep.
The Portfolio Model
Pieter Levels (most famous indie hacker):
$139K/month
$40K/month
$36K/month
$22K/month
$16K/month
Multiple products. Compounding income.
Start with one. Prove you can hit $10K-$20K. Then expand.
The Idea Radar
Two axes:
Passion (will you enjoy building this daily?)
Monetization potential (is there real money here?)
