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“I've bought a shelf of courses. This is the first one structured like a system instead of a story.”
SeriesMind & Psychology
Mental Models — The Complete Series
The Thinking Tools the Smartest People in the World Use All 5 courses plus the workbook, template, cheat sheet, and 3 guided videos.
4.9(1,063 reviews) 30-day keep-the-materials guarantee
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Twogees
Mental Models — The Complete Series
series · lifetime access
Save 80%
SERIES #065-Stage Progression Architecture
The Mental Models Curriculum Sequence.
Every course is engineered as an actionable stage in the sequence — delivered as an authoritative 25–40 page playbook ending in a direct execution move. Complete them in order or jump directly to the specific bottleneck you need solved today.
5 Sequenced Micro-Courses4 Deliverables Kit Included25–40 Page Playbooks · Zero Fluff
0102030405
Stage 01
Models for Decisions
Stage 02
Models for Wealth
Stage 03
Models for People
Stage 04
Models for Strategy
Stage 05
Models for Life
STAGE 01 OF 05Step 1 in Sequence
25–40 Page Ebook PlaybookModels for Decisions
“Decide like an operator.”
Instant Action Rep: Finishes with a move you deploy the same day.
25–40 Page Playbook: PDF + ePub formatted for phones & tablets.
Action Checklist Included: One-page companion execution guide.
Stage Price
₹299₹99970% OFF
Stage 01 Curriculum BreakdownStructured Module Roadmap
01
Inversion
•Foundational Framework & Paradigm Shift
02
Second-Order Effects
•Step-by-Step Tactical Protocol
03
Expected Value
•High-Stakes Implementation Script
04
Regret Minimization
•Workplace Calibration & Edge Cases
05
Pre-Mortem
•Long-Term Compounding & Retention
Instant Digital Delivery:
Ready to Deploy• PDF & ePub Playbook• 1-Page Action Checklist• Drive Vault Access
Stage 01 CompleteNext: Stage 02 (Models for Wealth)
Stage 02 Curriculum BreakdownStructured Module Roadmap
01
Compounding
•Foundational Framework & Paradigm Shift
02
Margin of Safety
•Step-by-Step Tactical Protocol
03
Opportunity Cost
•High-Stakes Implementation Script
04
Asymmetric Bets
•Workplace Calibration & Edge Cases
05
Skin in the Game
•Long-Term Compounding & Retention
Instant Digital Delivery:
Ready to Deploy• PDF & ePub Playbook• 1-Page Action Checklist• Drive Vault Access
STAGE 02 OF 05Step 2 in Sequence
25–40 Page Ebook PlaybookModels for Wealth
“Think about money in decades.”
Instant Action Rep: Finishes with a move you deploy the same day.
25–40 Page Playbook: PDF + ePub formatted for phones & tablets.
Action Checklist Included: One-page companion execution guide.
Stage Price
₹299₹99970% OFF
Stage 02 CompleteNext: Stage 03 (Models for People)
STAGE 03 OF 05Step 3 in Sequence
25–40 Page Ebook PlaybookModels for People
“Predict behavior before it happens.”
Instant Action Rep: Finishes with a move you deploy the same day.
25–40 Page Playbook: PDF + ePub formatted for phones & tablets.
Action Checklist Included: One-page companion execution guide.
Stage Price
₹299₹99970% OFF
Stage 03 Curriculum BreakdownStructured Module Roadmap
01
Incentives
•Foundational Framework & Paradigm Shift
02
Hanlon's Razor
•Step-by-Step Tactical Protocol
03
Circle of Competence
•High-Stakes Implementation Script
04
Social Proof
•Workplace Calibration & Edge Cases
05
Reciprocity
•Long-Term Compounding & Retention
Instant Digital Delivery:
Ready to Deploy• PDF & ePub Playbook• 1-Page Action Checklist• Drive Vault Access
Stage 03 CompleteNext: Stage 04 (Models for Strategy)
Stage 04 Curriculum BreakdownStructured Module Roadmap
01
Bottlenecks
•Foundational Framework & Paradigm Shift
02
Leverage Points
•Step-by-Step Tactical Protocol
03
Game Theory Basics
•High-Stakes Implementation Script
04
Red Queen
•Workplace Calibration & Edge Cases
05
Moats
•Long-Term Compounding & Retention
Instant Digital Delivery:
Ready to Deploy• PDF & ePub Playbook• 1-Page Action Checklist• Drive Vault Access
STAGE 04 OF 05Step 4 in Sequence
25–40 Page Ebook PlaybookModels for Strategy
“Find the point where effort multiplies.”
Instant Action Rep: Finishes with a move you deploy the same day.
25–40 Page Playbook: PDF + ePub formatted for phones & tablets.
Action Checklist Included: One-page companion execution guide.
Stage Price
₹299₹99970% OFF
Stage 04 CompleteNext: Stage 05 (Models for Life)
STAGE 05 OF 05Step 5 in Sequence
25–40 Page Ebook PlaybookModels for Life
“Subtract your way to a good life.”
Instant Action Rep: Finishes with a move you deploy the same day.
25–40 Page Playbook: PDF + ePub formatted for phones & tablets.
Action Checklist Included: One-page companion execution guide.
Stage Price
₹299₹99970% OFF
Stage 05 Curriculum BreakdownStructured Module Roadmap
01
Via Negativa
•Foundational Framework & Paradigm Shift
02
Antifragility
•Step-by-Step Tactical Protocol
03
Map vs. Territory
•High-Stakes Implementation Script
04
Sunk Cost
•Workplace Calibration & Edge Cases
05
Memento Mori
•Long-Term Compounding & Retention
Instant Digital Delivery:
Ready to Deploy• PDF & ePub Playbook• 1-Page Action Checklist• Drive Vault Access
1
Stage 01 · 25–40 Page Ebook₹299
Models for Decisions
Decide like an operator.
InversionSecond-Order EffectsExpected Value+2 more
2
Stage 02 · 25–40 Page Ebook₹299
Models for Wealth
Think about money in decades.
CompoundingMargin of SafetyOpportunity Cost+2 more
3
Stage 03 · 25–40 Page Ebook₹299
Models for People
Predict behavior before it happens.
IncentivesHanlon's RazorCircle of Competence+2 more
4
Stage 04 · 25–40 Page Ebook₹299
Models for Strategy
Find the point where effort multiplies.
BottlenecksLeverage PointsGame Theory Basics+2 more
5
Stage 05 · 25–40 Page Ebook₹299
Models for Life
Subtract your way to a good life.
Via NegativaAntifragilityMap vs. Territory+2 more
The Complete Series Bundle
Unlock all 5 courses + complete 4-part toolkit.
Save 63% vs buying individually. Get all 5 playbook courses, the interactive workbook, plug-and-play template, printable cheat sheet, and 3 video masterclasses.
Bundle Price
₹999₹4999
Instant Access & Lifetime UpdatesThe Workbook
The Decision Journal
Step-by-step fill-in exercises
The Template
The Model Selector
Plug-and-play Notion & Sheets
The Cheat Sheet
50 Mental Models, One Line Each
Printable 1-page desk summary
3 Video Lessons
Why Smart People Make Dumb Decisions
+ 2 more guided walkthroughs
30-Day Money-Back Guarantee•Instant Google Drive Delivery
Unlock All 5 Courses & Kit — ₹999The problem
You don't need one tip about mental models. You need the full system.
One-off advice creates motion, not results.
Without the workbook and template, knowledge evaporates in a week.
Buying courses one by one costs more and compounds slower.
The people ahead of you aren't smarter — they just run a complete system.
The shift
Where you are now → where this takes you.
Before
- Scattered notes, zero follow-through
- Buying single tips forever
- Progress that resets every month
After the system
- Five courses working as one system
- A workbook and template that force action
- Results that compound week over week
What you get
Built to change outcomes, not impress you.
All 5 courses, one system
Models for Decisions · Models for Wealth · Models for People · Models for Strategy · Models for Life
The series workbook
The Decision Journal — fill-in exercises that turn reading into doing.
Template + cheat sheet
The Model Selector, plus the printable 50 Mental Models, One Line Each.
3 guided videos
Why Smart People Make Dumb Decisions · The 10 Models You'll Use Weekly · Building Your Latticework — 6–10 minutes each.
Inside
Everything that's included.
Course — Models for Decisions
Decide like an operator.
Course — Models for Wealth
Think about money in decades.
Course — Models for People
Predict behavior before it happens.
Course — Models for Strategy
Find the point where effort multiplies.
Course — Models for Life
Subtract your way to a good life.
Series workbook
The Decision Journal
Series template
The Model Selector
Printable cheat sheet
50 Mental Models, One Line Each
3 guided slide videos
The Big Idea · The Walkthrough · The 30-Day Plan
Lifetime updates
Every future revision
Total value
₹3,790
Your price today
₹999₹4,999
Save 80%
Get the system 30-day keep-the-materials guarantee
Proof
People who ran the system.
4.9 · 1,063 verified reviews
48,210
people trained
4.9
average rating
12,437
verified reviews
30 days
guarantee, no friction
Rated 4.8999999999999995 out of 5 by 1063 customers
30-day keep-the-materials guarantee
Run the series for 30 days. If it doesn't change how you operate, email us for a full refund — and keep every download.
Questions
Before you decide.
What's inside the bundle?
All 5 courses of Mental Models, the series workbook, the plug-and-play template, the printable cheat sheet, and 3 guided slide videos (The Big Idea, The Walkthrough, The 30-Day Plan).
Can I buy courses individually?
Yes — every course is sold separately. The bundle is the value play: everything together at less than the price of two courses.
How long does the series take?
Most people complete one course per week. Five weeks end-to-end, or run them in whatever order matches your life.
Do I get future updates?
Yes. Every revision and future addition to the series is included, forever.
Refunds?
30-day keep-the-materials guarantee on the entire bundle.
The next 30 days runs on what you decide right now.
₹999₹4,999
One-time payment · Lifetime access · 30-day keep-the-materials guarantee