Subtract to Ship

Subtract to Ship

Ship the business.
Subtract the rest.

A book series with one path: from “I cannot start a business” to a business that runs on systems. Every chapter ends in output, not inspiration.

The series

Six books. One method.

  1. Book 1

    Validate

    Test the idea before you build it.

    Launch Pads & activation →

  2. Book 2

    Build

    Ship the smallest thing that works.

    Launch Pads & activation →

  3. Book 3Coming soon

    Build MDR

    The MedTech founder's regulatory playbook.

    with Tibor Zechmeister

  4. Book 4

    Grow

    One channel that works beats ten that might.

    Launch Pads & activation →

  5. Book 5Coming soon

    Grow: Ecom

    Sell where your customers already shop.

    with Giampiero Sirianni

  6. Book 6

    Scale

    Multiply what works. Subtract the rest.

    Launch Pads & activation →

Beyond the books

The system around the series

The Builder's Desk

The platform that turns every AI Launch Pad into a guided session and connects your outputs across the series. Every copy includes free activation.

The Build Floor

The accountability community. Builders at your stage, working through the same chapters.

Visit the community →

Completion Report

Finish the series and generate a personalized Business Health Report from all your Launch Pad outputs.

The author

Felix Lenhard has coached more than 100 startups since 2015 and built products sold in over 50 countries. Subtract to Ship is the system behind that work: validate before you build, ship before you polish, subtract before you add. felixlenhard.com