sales-letter-writer
Write high-converting direct response sales letters using the proven methodologies of Gary Halbert (The Boron Letters) and Dan Kennedy (The Ultimate Sales Letter)—master the art of persuasive long-form copy that turns readers into buyers. Use when: **Write a long-form sales letter** for a product or service; **Create direct mail pieces** that generate response; **Write landing page copy** in sales letter format; **Craft email sequences** with direct response principles; **Develop VSL scripts*...
What this skill does
# Sales Letter Writer
> Write high-converting direct response sales letters using the proven methodologies of Gary Halbert (The Boron Letters) and Dan Kennedy (The Ultimate Sales Letter)—master the art of persuasive long-form copy that turns readers into buyers.
## When to Use This Skill
Use this skill when you need to:
- **Write a long-form sales letter** for a product or service
- **Create direct mail pieces** that generate response
- **Write landing page copy** in sales letter format
- **Craft email sequences** with direct response principles
- **Develop VSL scripts** (video sales letters)
- **Write advertorials** that sell through story
- **Create launch emails** that drive conversions
- **Improve existing copy** that isn't converting
This skill is particularly valuable for:
- Direct response copywriters
- Course and info product creators
- Coaches and consultants selling services
- E-commerce brands with high-ticket items
- Anyone selling through written persuasion
- Marketers needing to write their own sales copy
---
## Methodology Foundation
**Sources:**
- Gary Halbert - "The Boron Letters" (1984)
- Dan Kennedy - "The Ultimate Sales Letter" (1981, revised editions)
**Core Principle:** The success of a sales letter depends first on the market (a "starving crowd"), second on the offer, and third on the copy. Master all three to create letters that consistently convert.
> "The best thing you can do to improve your copywriting is to copy, by hand, great advertisements and sales letters." — Gary Halbert
> "The ability to write a compelling sales letter is the most valuable skill you could ever acquire." — Dan Kennedy
---
## What Claude Does vs What You Decide
| 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 |
## What This Skill Does
When invoked, I will guide you through the complete sales letter writing process:
1. **Research your customer** - Deep understanding before writing
2. **Find your "big idea"** - The concept that drives the letter
3. **Craft your headline** - The most important element
4. **Structure your letter** - Proven flow that converts
5. **Write persuasive body copy** - Benefits, proof, and story
6. **Build an irresistible offer** - Stack value, remove risk
7. **Create urgency and close** - Drive immediate action
8. **Refine and test** - Optimize for maximum response
---
## How to Use
Provide information about what you're selling and to whom:
**Example prompts:**
- "Write a sales letter for my [product/service]"
- "Create a long-form landing page for [offer]"
- "Write direct mail copy for [campaign]"
- "Help me craft headlines for [product]"
- "Improve this existing sales letter: [paste copy]"
- "Write a VSL script using Halbert/Kennedy principles"
**Information that helps:**
- What you're selling (product/service details)
- Who you're selling to (target customer)
- The main problem you solve
- Your unique mechanism or approach
- Testimonials and proof points
- Current price and offer structure
- Any urgency or scarcity elements
---
## Instructions
### Phase I: Research (Before You Write)
#### The Customer Avatar Deep-Dive
Before writing a word, answer Kennedy's essential questions:
| Question | Why It Matters |
|----------|---------------|
| What keeps them awake at 3am? | Identifies deepest pain points |
| What are they afraid of? | Reveals fears to address |
| What are they angry about? | Shows frustration to empathize with |
| What do they secretly desire? | Uncovers aspirations to promise |
| Who else has failed them? | Explains their skepticism |
| What do they think about daily? | Enters their mental conversation |
**Kennedy's Rule:** Spend 80% of your time on research, 20% on writing.
#### Find the "Starving Crowd"
Halbert's #1 principle: The market matters more than the copy.
**Signs of a "starving crowd":**
- They're actively searching for solutions
- They've already tried (and failed) with other products
- They have disposable income and willingness to spend
- The problem is urgent (not "nice to have")
- They're easy to reach with your message
#### Collect Your Proof Arsenal
Gather all credible proof elements:
- Customer testimonials (specific results)
- Case studies with numbers
- Before/after demonstrations
- Expert endorsements
- Media mentions
- Scientific studies
- Years in business
- Number of customers served
---
### Phase II: The Big Idea
Every great sales letter has ONE big idea that hooks the reader.
#### Finding Your Big Idea
| Approach | Example |
|----------|---------|
| **New Discovery** | "Scientists discover hidden cause of belly fat..." |
| **Secret Revealed** | "Wall Street insider reveals how the rich really invest..." |
| **Contrarian** | "Why everything you know about dieting is wrong..." |
| **Prediction** | "Why 90% of retirees will run out of money by 2030..." |
| **Challenge** | "I bet you can't do just 10 pushups..." |
The big idea should be:
- **Emotionally compelling** (creates desire or fear)
- **Intellectually interesting** (makes them curious)
- **Believable yet surprising** (credible but new)
---
### Phase III: The Headline
The headline does 80% of the work. If it fails, nothing else matters.
#### Halbert's Headline Principles
1. **Make it specific** - Numbers and details create believability
2. **Promise a benefit** - What's in it for them?
3. **Create curiosity** - But don't be clever-cryptic
4. **Qualify the reader** - Self-select your audience
#### Kennedy's Headline Formulas
**The "How To" Formula:**
```
How to [Achieve Desired Result] Without [Common Objection]
Examples:
- How to Lose 20 Pounds Without Giving Up Your Favorite Foods
- How to Double Your Business Without Working More Hours
```
**The "Secrets" Formula:**
```
The Secret of [Achieving Something Desirable]
Examples:
- The Secret of Making People Like You
- The Secret Six-Figure Consultants Don't Want You to Know
```
**The "Warning" Formula:**
```
Warning: Don't [Do Common Action] Until You Read This
Examples:
- Warning: Don't Buy Another Diet Program Until You Read This
- Warning: Don't Hire a Financial Advisor Until You Read This
```
**The "Reason Why" Formula:**
```
[Number] Reasons Why [Target Audience] Are [Achieving Result]
Examples:
- 7 Reasons Why Smart Investors Are Moving to Gold
- 5 Reasons Why Top Athletes Eat This Before Games
```
**The "Question" Formula:**
```
Do You Make These [Number] Mistakes in [Activity]?
Examples:
- Do You Make These 7 Mistakes in Job Interviews?
- Are You Making These Costly Tax Errors?
```
---
### Phase IV: The Structure
#### Classic Long-Form Sales Letter Structure
```
1. HEADLINE
└── Grabs attention, makes the main promise
2. SUBHEADLINE
└── Qualifies reader or expands the promise
3. OPENING (The Lead)
└── Hook them in the first 50 words
└── Identify the problem they're experiencing
└── Show you understand their pain
4. CREDIBILITY STATEMENT
└── Why should they listen to you?
└── Brief, not braggy
5. THE STORY / EPIPHANY
└── Your journey or a customer's journey
└── The discovery that changed everything
└── Build emotional connection
6. THE MECHANISM
└── What makes your solution work
└── Why it's different from what they've tried
└── The "secret sauce" explained
7. BENEFITS (Not Features)
└── Everything they'll get/achieve
└── Paint vivid pictures of results
└── Use bullet points for scanability
8. PROOF
└── Testimonials with specific results
└── Case studies
└── Demonstrations
└── Third-party validation
9. THE OFFER
└── Exactly what they're getting
└── Stack the components
└── Assign value to each piece
10. BONUSES
└── Additional value items
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