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ACORP · Free public course

Build it
one day at a time.

A practical, public course for founders starting lean. Follow each lesson in order, from finding a real problem to making your first business decisions.

Course progress

7 lessons

In order · Day 01 → Day 07

The course sequence

Start at Day 01

  1. Day01
    A solo founder planning a lean business launch at a desk with a laptop and notebook
    Lesson 01

    Why $100 Is Enough in 2026 (and Why Most People Never Start)

    Most people don't need more capital to start; they need a smaller first move. I’ve seen capable people spend years preparing to start a business. They wait for the right…

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  2. Day02
    A founder weighing customer problems using visual clues like time, repetition, and cost
    Lesson 02

    The One Decision That Matters — Choosing a Problem Worth Solving

    On Day 1, you started thinking about the foundations a small business needs to protect itself. Today, the focus shifts to an earlier decision: deciding what your…

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  3. Day03
    A founder identifies a small, connected community of potential customers
    Lesson 03

    Picking a Market You Can Actually Reach

    A big market can look exciting on paper. But when you’re starting with $100, the more useful question is often smaller: Can you find and talk to the people who might…

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  4. Day04
    An early-stage founder connecting existing skills to a real small-business problem
    Lesson 04

    The Skill-to-Service Shortcut — Sell Before You Build

    A business does not have to begin with an app, a warehouse, a complicated website, or a perfectly polished brand. It can begin with something you already know how to do,…

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  5. Day05
    A founder builds a digital business presence with a laptop, domain key, and email icon
    Lesson 05

    Your $100 Tool Stack, Part 1 — Presence (Domain, Site, Email)

    A business can begin with a skill, a useful service, and a conversation with a potential customer. But when someone wants to learn more about you, it helps to have a…

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  6. Day06
    A team collaborating around a table as a glowing line connects their work
    Lesson 06

    Your $100 Tool Stack, Part 2 — Operations (Scheduling, Payments, Tracking)

    Day 5 was about being findable: a domain, a website, and a professional email address. Today, we’ll build the layer that helps a potential customer move from “I’m…

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  7. Day07
    A local-service founder comparing handwritten business name ideas at a desk
    Lesson 07

    Naming and Positioning Without an Agency

    Start with a clear idea of who you serve; the name can follow. Day 7: Naming and Positioning Without an Agency Name your business and position it clearly without hiring…

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More field notes

Oct 28, 2026

Day 1: How to Tighten Your Business Cybersecurity Without an Enterprise Budget

Starting a business with a $100 budget means every decision matters, including how you protect your accounts, customer…