FDE practice unit economics and the 5-Line Tile.

In Lesson 8.5 of GROW Course 8 (FDE Practice Founder), Doug Liles works through it with you. A one-tile model that tells you whether the practice actually makes money.

What you'll take away

- Why unit economics

- The 5-Line Tile

- Reading the tile

Chapters

(0:00) Cold open & the promise

(6:17) Why unit economics

(12:35) The 5-Line Tile

(18:53) Reading the tile

(25:10) Levers

(31:28) Stress-testing

(37:46) The artifact & what to do Monday

Study guide, slide deck, blog companion, infographic (free)

- https://fde.goodcombinator.ai/lessons/FDE_Lesson_8_5

Audio companion is AI-narrated using NotebookLM. Explainer video is human-produced.

Public release

This full FDE Certification audio lesson is available publicly as part of GROW by Good Combinator.

Continue in GROW Skills Library: https://goodcombinator.com/grow/library

Episode metadata

Show: GROW by Good Combinator

Course: Course 8 - FDE Practice Founder

Lesson: 8.5

Season/Episode: 8/5

Runtime: 44:04

Access label: public-full-lesson

Source channel: spotify

Source audio: app/lessons/assets/course-8/8.5/8.5 Audio Podcast.m4a

Taxonomy: Domain=Practice Founder; Career stage=Founder; Skill level=Founder; Asset type=Lesson; Outcome=Found

CRM events: course_started, lesson_completed, cert_enrolled

Transcript and accessibility

Final transcript required before launch: https://goodcombinator.com/grow/courses/course-8/lesson-8.5/transcript

Accessibility requirement: reviewed audio, clear title, descriptive show notes, and transcript availability before launch.

Audio companion is AI-narrated using NotebookLM and disclosed here.

Credits

Host: Doug Liles

Producer: Good Combinator

Audio: NotebookLM AI narration (disclosed)