Passive Income Engine

Compounding under
controlled conditions.

Small capital. Sustained returns.

CepaLabs builds and sells digital products for executives and operators who want passive income without the noise. Every product starts with research, gets scored against a strict rubric, and only ships if the economics justify the time. No courses. No coaching. No hype.

See products How we work →
The Framework

Research before capital.

Every product idea goes through the same four-gate evaluation before we build anything. If it doesn't pass, we don't ship it.

01
Zero capital required
No inventory, no upfront spend. Digital products only. If it requires capital to test, it's too early.
02
Revenue in under 30 days
If the path to first sale is longer than a month, the idea goes back to research. Speed of validation matters.
03
Under 4 hours weekly to maintain
Products that require active management are businesses, not passive income. We build things that run without us.
04
Built from real experience
Every product is extracted from a workflow that already exists. Nothing is fabricated. The differentiation is operational specificity.
Products

What we've shipped.

Cycle 1 product. Researched, scored, and built from a real executive AI workflow.

Digital Product · PDF
AI Executive Prompt Library
45 battle-tested prompts for executives who use AI every day. Not generic — extracted from a real operating system.
$29 USD
  • 45 prompts across 5 operational blocks
  • Day startup, meetings, delegation, communication, research
  • Bonus: build your own AI chief of staff from scratch
  • Works with ChatGPT and Claude
  • Instant PDF download
Get it on Gumroad

También disponible en español en Hotmart — próximamente.

About CepaLabs

The greenhouse model.

CepaLabs is a passive income R&D lab. We run structured research cycles, score ideas against strict criteria, and only build what the numbers justify. Then we let it grow.

01
Research cycle
10 candidates evaluated per cycle against the scoring rubric. Most are eliminated. That's the point.
02
Shortlist & build
Top 3 candidates move to product development. Built lean, under 4 hours of active time.
03
Demand validation
English market first via Gumroad. 10 sales is the signal threshold before scaling distribution.
04
Compound
Once validated, distribution expands — Hotmart for LatAm, affiliates, partnerships. Revenue compounds. Time cost stays flat.