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I wanted to share my journey building a micro-SaaS, [CoverLetterGPT](https://coverlettergpt.xyz/), which now earns **$550/month in recurring revenue (MRR)**—all while requiring **minimal effort and maintenance**. Here's how I did it and why I believe small, simple SaaS apps are an underrated way to start as an indie maker.
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<Tweetid="1863553258586820976" />
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### Quick Stats:
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-**Built in 1 week** using Wasp
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-**Built in 1 week**
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- using [Wasp](https://wasp-lang.dev/), a React, NodeJS, & Prisma framework
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- and [Chakra UI](https://chakra-ui.com/) for the design system.
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-**Runs on autopilot**
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-**$550 MRR** after one year
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-**~$550 MRR** after one year
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- Minimal customer support—only **3 Stripe disputes** to date
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- Costs **~$15/month** to operate (hosting + OpenAI API fees)
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- Framework: [Wasp](https://wasp-lang.dev/)
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- Deployed on [Railway](https://railway.app/) & [Netlify](https://netlify.com/)
⭐️ Star <ahref="https://github.com/wasp-lang/open-saas"style="color: #0000FF; text-decoration: underline;">Open SaaS repo</a> and support tools that help you build fast!
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</div>
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---
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BTW, I built [Open SaaS](https://opensaas.sh), the free, open-source SaaS template based on what I learned from building and launching CoverLetterGPT.
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Because Open SaaS is a community-driven project, it also benefits from community feedback and contributions, so it boasts a clean codebase and a ton of useful features. Check it out and give us a star! We're always improving it.
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<StarOpenSaaSCTA />
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### Small Wins Are Worth It
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@@ -40,14 +49,18 @@ Many developers think a SaaS has to be big, flashy, or wildly profitable to be w
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- I can balance it easily alongside my full-time job.
The most important lesson I've learned: **speed is everything.** The faster you launch, the faster you'll know if your idea works. Here's what worked for me:
2.**Use the fastest tools available:** I used [Wasp](https://wasp-lang.dev/) to cut down dev time.
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2.**Use the fastest tools available:** I used [Wasp](https://wasp-lang.dev/)because it gives me all the building blocks already set up (auth, database, cron jobs, email sending), letting me focus on the business logic of the app. Paired with [Chakra UI](https://chakra-ui.com/), I was able to build the app in about 1 week.
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3.**Forget perfection:** I didn't worry about making it pretty or perfect—it just had to work.
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### Keep It Simple
@@ -60,13 +73,7 @@ The beauty of micro-SaaS is in its simplicity. Here's why:
One of the biggest perks of micro-SaaS is how low-maintenance it can be. With CoverLetterGPT:
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- I rarely handle customer service (thanks to filtering out problematic users).
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- It requires little to no ongoing development.
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- The app practically runs on **autopilot.**
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One of the biggest perks of micro-SaaS is how low-maintenance it can be. With CoverLetterGPT, I rarely handle customer service thanks to its simplicity.
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This means I spend my time on **new ideas** rather than maintaining old ones.
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@@ -101,8 +108,8 @@ For me, **$550 MRR** isn't just “enough”—it's amazing. It's proof that sma
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## Let's stay in touch!
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Thanks for reading! If you found this helpful, let me know on [Twitter](https://x.com/hot_town/status/1863553258586820976) or share your own side-project experiences.
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If you found this helpful, check me out on [Twitter](https://x.com/hot_town/status/1863553258586820976) where I like to build in public and share what I'm learning and building.
⭐️ Star <ahref="https://github.com/wasp-lang/open-saas"style="color: #0000FF; text-decoration: underline;">Open SaaS repo</a> and support tools that help you build fast!
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</div>
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<StarOpenSaaSCTAtrailingText="and support tools that help you build fast!" />
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