| name | arcanea-startup-building |
| description | Startup building mastery - from idea validation to product-market fit. Lean methodology, MVP thinking, growth strategies, and the art of building something people want. |
| version | 1.0.0 |
| author | Arcanea |
| tags | ["startup","product","mvp","growth","validation","industry"] |
| triggers | ["startup","mvp","product market fit","idea validation","growth","lean startup"] |
Startup Building Mastery
"A startup is not a smaller version of a large company. It's a temporary organization designed to search for a repeatable, scalable business model."
The Startup Philosophy
STARTUPS ARE ABOUT:
✓ Learning what customers want
✓ Finding product-market fit
✓ Validating assumptions quickly
✓ Iterating based on evidence
STARTUPS ARE NOT ABOUT:
✗ Building perfect products
✗ Following a fixed plan
✗ Scaling before validating
✗ Guessing what works
The Startup Stages
╔═══════════════════════════════════════════════════════════════════╗
║ STARTUP STAGES ║
╠═══════════════════════════════════════════════════════════════════╣
║ ║
║ 1. PROBLEM/SOLUTION FIT ║
║ Do we have a problem worth solving? ║
║ Do we have a solution people want? ║
║ ║
║ 2. PRODUCT/MARKET FIT ║
║ Does our product satisfy the market? ║
║ Do users love it enough to pay/recommend? ║
║ ║
║ 3. SCALE ║
║ Can we grow efficiently? ║
║ Is growth sustainable? ║
║ ║
╚═══════════════════════════════════════════════════════════════════╝
Stage 1: Problem/Solution Fit
Validating the Problem
BEFORE BUILDING ANYTHING:
1. TALK TO USERS
- Interview 20+ potential users
- Ask about their current pain
- Understand their workflow
- Never pitch your solution
2. VALIDATE THE PAIN
Questions to ask:
- "How do you currently solve this?"
- "How much does this problem cost you?"
- "Have you tried other solutions?"
- "Would you pay to solve this?"
3. ASSESS MARKET SIZE
- TAM: Total Addressable Market
- SAM: Serviceable Addressable Market
- SOM: Serviceable Obtainable Market
The Mom Test
BAD QUESTIONS:
"Would you use a product that..."
→ People say yes to be nice
GOOD QUESTIONS:
"Tell me about the last time you..."
→ Gets real behavior, not hypotheticals
RULE:
Talk about their life, not your idea.
They should not know what you're building.
Problem Hypothesis
## Problem Hypothesis Template
### Customer Segment
[Who specifically has this problem?]
### Problem Statement
[Specific description of the pain]
### Existing Solutions
[How they currently solve it]
### Why Now?
[Why is now the right time to solve this?]
### Evidence
[What evidence supports this problem exists?]
Stage 2: Building MVP
The MVP Philosophy
MVP = MINIMUM VIABLE PRODUCT
NOT: The smallest product you can build
BUT: The smallest thing that tests your hypothesis
PURPOSE:
Learn whether your solution solves the problem
for the people you're targeting.
MVP Types
LANDING PAGE MVP:
Describe the product, capture signups.
Tests: Is there interest?
CONCIERGE MVP:
Manually do what software would do.
Tests: Does the solution work?
WIZARD OF OZ MVP:
Looks automated, but humans behind it.
Tests: User experience and workflow.
SINGLE FEATURE MVP:
Build one feature well.
Tests: Core value proposition.
Build-Measure-Learn Loop
┌─────────────────────────┐
│ IDEA │
└───────────┬─────────────┘
│
▼
┌─────────────────────────┐
│ BUILD │
│ (Minimum effort) │
└───────────┬─────────────┘
│
▼
┌─────────────────────────┐
│ PRODUCT │
└───────────┬─────────────┘
│
▼
┌─────────────────────────┐
│ MEASURE │
│ (Validated learning) │
└───────────┬─────────────┘
│
▼
┌─────────────────────────┐
│ DATA │
└───────────┬─────────────┘
│
▼
┌─────────────────────────┐
│ LEARN │
│ (Pivot or persevere) │
└───────────┬─────────────┘
│
└──────────────→ [NEXT LOOP]
Stage 3: Product-Market Fit
Measuring PMF
THE 40% RULE (Sean Ellis):
Survey users: "How would you feel if you could
no longer use [product]?"
If 40%+ say "Very disappointed" → PMF achieved
OTHER PMF INDICATORS:
• Users promote without asking
• Growth happens organically
• Retention is strong
• Users complain if it breaks
PMF Survey Template
1. How would you feel if you could no longer use [product]?
□ Very disappointed
□ Somewhat disappointed
□ Not disappointed
2. What type of person do you think would benefit most?
[Open text]
3. What is the main benefit you receive?
[Open text]
4. How can we improve [product] for you?
[Open text]
Before vs After PMF
BEFORE PMF:
• Talk to users constantly
• Change direction frequently
• Minimize spending
• Focus on learning, not scaling
AFTER PMF:
• Start scaling operations
• Build team
• Increase spending on acquisition
• Optimize funnel
Metrics That Matter
The Pirate Metrics (AARRR)
ACQUISITION: How do users find you?
ACTIVATION: Do users have a good first experience?
RETENTION: Do users come back?
REVENUE: Do users pay?
REFERRAL: Do users tell others?
Focus on ONE metric per stage.
Don't optimize acquisition before retention.
The One Metric That Matters
At any given time, there's ONE metric that matters most.
Early stage: Activation rate
Are people using the product?
Growth stage: Retention rate
Are people coming back?
Scale stage: Unit economics
Is each customer profitable?
Common Startup Mistakes
Mistake 1: Building Too Much
SYMPTOM: "We need more features before we can launch."
TRUTH: You're afraid of feedback.
FIX: Launch with one feature that solves one problem.
Mistake 2: Not Talking to Users
SYMPTOM: "We know what they need."
TRUTH: You don't.
FIX: 20 user conversations before building.
20 more after MVP.
Weekly conversations forever.
Mistake 3: Scaling Before PMF
SYMPTOM: "We need more users to prove the model."
TRUTH: If users don't retain, more users won't help.
FIX: Fix retention before scaling acquisition.
Mistake 4: Falling in Love with Solution
SYMPTOM: "The product is great, users are wrong."
TRUTH: Users are never wrong about their own needs.
FIX: Fall in love with the problem, not the solution.
Quick Reference
Startup Checklist
PROBLEM VALIDATION:
□ Interviewed 20+ potential users
□ Confirmed problem exists and is painful
□ Understood current solutions
□ Validated willingness to pay
MVP DEVELOPMENT:
□ Defined smallest testable product
□ Set clear success metrics
□ Built in days/weeks, not months
□ Launched to real users
PMF SEEKING:
□ Measuring user satisfaction (40% test)
□ Tracking retention
□ Iterating based on feedback
□ Ready to pivot if needed
Key Questions at Each Stage
PROBLEM STAGE:
"Are people actively looking for a solution?"
"Are they paying for inferior alternatives?"
MVP STAGE:
"Do users understand what this is?"
"Do they use it more than once?"
PMF STAGE:
"Would users be disappointed if it disappeared?"
"Do they recommend it unprompted?"
"The goal isn't to build what you imagine. It's to discover what users need."
