The 4-Variable Check (Before You Touch Copy)

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before you change a single hook, check:

1. infrastructure — is it the setup?
2. targeting — is the list wrong?
3. offer — has the market shifted?
4. copy — is the angle stale?

isolate one variable at a time. change all four and you learn nothing.

Why it works: forces systematic diagnosis instead of panic rewriting. most performance drops come from non-copy variables.

Customize: run this as a literal checklist. the one you haven't tested in the last 30 days is usually the one to check first.

Before / After

Before: My replies are down, let me write new hooks.

After: Replies dropped 3 points. Infrastructure tested clean last week. List is the same. Offer still converts on calls. Copy is the variable — rewrite.

The Decline Threshold Rule

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rewrite when [METRIC] drops by [PERCENTAGE_DECLINE] over [ROLLING_WINDOW] consecutive [UNIT]. scale when [METRIC] holds at [SUSTAINED_FLOOR] for [DURATION].

Why it works: turns rotation into a math problem instead of a vibe call. you know exactly when to act.

Customize: METRIC = reply rate or positive reply rate (not open rate). PERCENTAGE_DECLINE = meaningful drop for your baseline. ROLLING_WINDOW = at least 3 data points to rule out noise.

Before / After

Before: Hooks feel stale, let me change them.

After: reply rate dropped 30% over 3 consecutive sending weeks. rewrite the top-of-sequence hooks this monday.

The Prospect-Told-You-So Signal

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