I Run 9 Cron Jobs on a $35 Pi — Here is Exactly How Much They Make
No fluff. No "passive income" fantasies. Real numbers from a Raspberry Pi that runs 24/7 in my closet.
The Hardware
- Raspberry Pi 4 (4GB) — $35
- 32GB SD card — $8
- Electricity — ~2¢/day
- Total investment: $43
The 9 Automated Jobs
| # | Job | Schedule | What It Does |
|---|---|---|---|
| 1 | Gateway Watchdog | Every 5 min | Keeps everything online |
| 2 | Bug Bounty Scan | Daily | Scans for vulnerabilities |
| 3 | AI Tools Radar | Weekly | Curates trending AI repos → sells reports |
| 4 | Dev.to Post | Daily | Publishes tech articles → traffic |
| 5 | H1 Monitor | Daily | Checks bounty report status |
| 6 | SEO Blog | Weekly | Generates blog posts → Google traffic |
| 7 | Prompt Factory | Weekly | Creates AI prompts → sells on PromptBase |
| 8 | Ebook Updates | Weekly | Adds chapters to paid ebook |
| 9 | Newsletter | Weekly | Curates AI agent news → subscriptions |
The 12 Products
Digital Products
- AI Agent Toolkit — CLI tools, $9
- Bug Bounty Automation Kit — Recon toolkit, $15
- AI Prompt Factory — 23 prompts, $15 bundle
- AI Automation Ebook — 8 chapters, $9-15
Templates
- Notion Templates — 6 productivity templates, $39 bundle
- Vertical Agent Templates — 5 industry agents, $15-34 each
Subscriptions
- AI Tools Radar — Weekly reports, $9/month
- DevTrends API — Data-as-a-service, $0-29/month
- AI Agent Weekly — Newsletter, $5-9/month
Traffic
- AI Automation Lab Blog — SEO content
- GitHub Store — Landing pages
The Honest Revenue
$0. Zero dollars so far. Here is why that is actually fine:
Week 1-2: Building products. No one knows you exist.
Week 3-4: Content compounding begins. SEO kicks in.
Month 2-3: First sales trickle in. Dev.to followers grow.
Month 4-6: Multiple revenue streams start producing.
This is the difference between a side project and a business. Side projects die in week 2 because there are no sales. Businesses compound because the automation keeps running.
The Math That Makes This Work
11 articles on Dev.to
× 30 days of SEO indexing
× 5% monthly traffic growth
= ~500 views/month by month 3
500 views × 1% CTR = 5 product page visits
5 visits × 5% conversion = 0.25 sales/month
Keep publishing → traffic doubles → sales double
Month 6: ~2,000 views → ~20 visits → ~1 sale/month
Month 12: ~8,000 views → ~80 visits → ~4 sales/month
At 4 sales/month × $15 avg = $60/month. Plus newsletter subs, API customers, PromptBase sales.
Target: $200/month by month 6. $1,000/month by month 12.
Why I Share This Before Making Money
Because everyone only shares success stories. "I made $10K in 30 days!" Those are survivorship bias. The reality is: most businesses start at $0 and compound slowly.
My AI agent does not care. It publishes 24/7 regardless of views. It scrapes data regardless of sales. The flywheel spins whether anyone watches or not.
That is the real advantage of AI automation — not speed, but relentless consistency.
Follow the journey: ulnit.github.io/agent-store
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