ad-spend-optimizer
Analyze paid advertising performance across channels and recommend budget reallocation to maximize ROAS and minimize CAC. Use when: planning quarterly ad…
Master Gary Halbert's direct response copywriting principles from \"The Boron Letters\" (1984). The timeless fundamentals that separate pros from amateurs. Use when: Writing direct response copy (sales letters, emails, ads); Creating headlines that demand attention; Building
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Master Gary Halbert's direct response copywriting principles from \"The Boron Letters\" (1984). The timeless fundamentals that separate pros from amateurs. Use when: Writing direct response copy (sales letters, emails, ads); Creating headlines that demand attention; Building
name: boron-letters description: "Master Gary Halbert's direct response copywriting principles from \"The Boron Letters\" (1984). The timeless fundamentals that separate pros from amateurs. Use when: Writing direct response copy (sales letters, emails, ads); Creating headlines that demand attention; Building mailing lists and segmentation; Improving copy through the A-pile test; Learning copywriting fundamentals from scratch" license: MIT metadata: author: ClawFu version: 1.0.0 mcp-server: "@clawfu/mcp-skills"
> Master Gary Halbert's direct response copywriting principles from "The Boron Letters" (1984). The timeless fundamentals that separate pros from amateurs.
**Source**: Gary Halbert - "The Boron Letters" (1984)
**Core Principle**: "Become a student of markets, not products." The list matters more than the copy. The A-pile beats the B-pile. Long copy outsells short. And the fundamentals of human psychology never change.
**Why This Matters**: These letters were written in the 1980s but remain the gold standard for direct response copywriting. Halbert's "coat of arms" letter mailed over 600 million times. The principles work because they're based on human psychology, not trends.
| Claude Does | You Decide | |-------------|------------| | Structures production workflow | Final creative direction | | Suggests technical approaches | Equipment and tool choices | | Creates templates and checklists | Quality standards | | Identifies best practices | Brand/voice decisions | | Generates script outlines | Final script approval |
1. **Applies the A-pile test** - Gets mail opened and read 2. **Identifies starving crowds** - Finds markets hungry to buy 3. **Uses the AIDA formula** - Structures persuasive copy 4. **Writes irresistible headlines** - Stops readers cold 5. **Creates long-form sales copy** - Converts readers to buyers
Review this email/letter through Halbert's A-pile framework: [paste copy] Will it get opened? Will it get read? What's missing?
Write a Halbert-style sales letter for: Product: [description] Target market: [who] Main pain point: [problem] Unique mechanism: [how it works]
Analyze this market using Halbert's starving crowd criteria: [market/niche] Is this a good market for direct response?
When applying Halbert's methods, follow these core principles:
## Getting Into the A-Pile **The Reality:** Everyone divides their mail into two piles: ### A-Pile (Opens First) - Looks personal - From people they know - Handwritten or unusual - Demands immediate attention ### B-Pile (Trash or "Later") - Obviously promotional - Mass-produced appearance - Corporate/bulk mail look - Easy to ignore **The Rule:** Your FIRST job is getting into the A-pile. Nothing else matters if you fail this test. ### A-Pile Tactics **Physical Mail:** - Handwritten envelope (or looks handwritten) - First-class stamp (not bulk mail indicia) - No teaser copy on envelope - Real name as sender - "Lumpy mail" - include physical object **Email:** - Personal sender name (not company) - Subject line like personal message - No obvious promotional language - Conversational tone - Relevant and specific **Online:** - Pattern interrupt in first line - No stock photo headers - Personal voice - Addresses reader directly ### The B-Pile Death Spiral If you look like everyone else, you get treated like everyone else: → Ignored → Deleted → Unsubscribed → Forgotten **Examples:** | B-Pile (Death) | A-Pile (Life) | |----------------|---------------| | "Newsletter: March Edition" | "Quick question for you" | | "Exciting News Inside!" | "Saw this and thought of you" | | "Company Name Updates" | "[First name] - about tomorrow" | | Glossy corporate envelope | Hand-addressed envelope |
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## What Actually Determines Success | Factor | Weight | Meaning | |--------|--------|---------| | **List** | 40% | WHO you're mailing to | | **Offer** | 40% | WHAT you're selling | | **Copy** | 20% | HOW you say it | **Implication:** Finding the right audience matters 4x more than writing brilliant copy. **The Starving Crowd Beats Everything** Halbert's Hamburger Stand Test: "If we were in a contest to sell hamburgers, what advantage would you want?" Most say: Best meat. Best location. Lowest prices. Halbert's answer: **"A starving crowd."** **Lesson:** Find markets with desperate, urgent needs. The starving crowd will buy despite mediocre copy. ### How to Find Starving Crowds Look for: - Urgent pain (not mild inconvenience) - Emotional investment (identity, fear, desire) - Recent trigger events (something just happened) - Demonstrated buyer behavior (already spending money) **Best Audiences:** - People who recently bought similar products - People going through major life transitions - People with problems that keep them up at night - People in growing, underserved niches
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## Recency, Frequency, Unit When evaluating a list, look at purchase behavior: ### Recency How RECENTLY did they buy something similar? - Within 30 days = hot - Within 90 days = warm - Over 6 months = cooling ### Frequency How OFTEN do they buy in this category? - Serial buyers = best - Occasional buyers = good - One-time buyers = risky ### Unit How much do they typically SPEND? - High unit buyers = premium opportunity - Low unit buyers = volume play **Best Prospect:** So
175 expert marketing methodologies for AI agents. Free. Open source. MIT licensed. Dunford on positioning. Schwartz on copywriting. Cialdini on persuasion. Ogilvy on advertising. Hormozi on offers. Voss on negotiation.
Repo: guia-matthieu/clawfu-skills
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