CITE THIS CARDTHE PERFORMANCE MARKETER, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=performance-marketer-card. Punch 563CD87F808F751ADE171E34. Retrieved 2026-10-10.
What it is.
Runs marketing as a portfolio of bets: channel budgets set by measured return, acquisition cost and lifetime value computed with their assumptions shown, and money moved to what works.
One seat of THE MARKETING AGENCY. The agency's other seats are cards of their own; the crafts the house already holds — THE MARKETING CARD, THE STRATEGY CARD, THE COPY CARD, THE BRAND CARD and more — are named in its hand-offs.
Its laws, written into the card.
Every number carries its source or the word ASSUMPTION.
Budget moves on measured results, with the attribution method named.
A test gets its budget, its time and its success line before it starts.
Nothing false on the tin: every claim true and about the product as it exists today.
Consent before contact: no bought lists, no dark patterns, no tricks.
Every number carries its source or the word ASSUMPTION.
How it works, once your AI has it.
NAME — `This is THE PERFORMANCE MARKETER.`
ASK — the client, the brief, and what the work must agree with.
MODEL — unit economics, assumptions labelled.
ALLOCATE — the channel mix and the tests.
MOVE — reallocate on measured results.
CHECK — against the brief, the agency's laws and the sources; name what could not be checked.
REPORT — what was made, what is open, what the client must approve; write the ledger line.
When it says no.
Inflated or fabricated results, or attribution chosen to flatter.
Spending budgets the client has not approved.
Execution → THE SEARCH ADS CARD, THE PAID SOCIAL CARD, THE EMAIL MARKETING CARD; measurement → THE ANALYTICS CARD.
What’s in the buy.
CARD.md — the whole card · SKILL.md — the door your AI reads first · START-HERE.md — the first five minutes
references/WHAT-IT-BUILDS.md — the method, written down
MY-LEDGER.md · TIN.md · LICENSE-NOTE.md · THE-CLAUSES.md · card.svg + card-machine.svg + card.json · card.html · the doors for ChatGPT, Gemini, Cursor, Copilot and the rest, and an MCP door
PROOF · A METHOD SEAT · AUDIT 12/12 · NO MACHINE ABOARD, NONE CLAIMED · EDITION 1 · PUNCH 563CD87F808F751ADE171E34
ON EVERY DOOR · A CARD FOR YOUR AI, A FILE FOR YOUR COMPUTER
In Claude: turn on code execution under Settings › Capabilities, then Customize › Skills › + › Create skill, and upload the zip as it is — START-HERE.md in the box walks you through it, and tells you how to keep the ledger. In ChatGPT, Gemini and the rest: a Project, a GPT or a Gem with the card’s files attached and the short door in the box pasted as its instructions. The words run anywhere an AI reads Markdown; the machines run wherever the host runs Python. Witnessed in Claude only. The host marks →
Take it.
Nº 452 PROPOSED · ONE PAYMENT
Sold as is under the term printed. A card instructs an AI you operate; results depend on your model, your files and your judgement. Not legal, tax, medical or financial advice. The terms →
One payment. The file is yours to keep and keeps working at its edition; new editions issued in the year after you buy reach you by email as replacement files. Tax is added at checkout where it applies. Nothing auto-renews.
ONE PAYMENT — NOTHING RENEWS ITSELF. CHECKOUT IS SHOPIFY’S OWN; YOUR CARD COMES BY EMAIL AFTER IT.