Margin Notes

The Rule of 100

The Rule of 100

From Contagious by Jonah Berger — Chapter 5

The Framework

| Product Price | Best Discount Frame | Why |
|---|---|---|
| Under $100 | Percentage off | 20% off $25 = "20% off" sounds bigger than "$5 off" |
| Over $100 | Dollar amount off | $200 off $2,000 = "$...

How It Works

The Rule of 100 provides a structured approach to understanding Social Proof, Value Creation, Grand Slam Offer as presented in Chapter 5 of Contagious.

Cross-Book Applications

  • Contagious (Ch 5) — original source
  • $100M Leads (Ch 12) — Alex Hormozi

Related Concepts


📚 From Contagious by Jonah Berger