Beneath
the estimate.

The number is only the tip

“That looks like an afternoon.” Famous last words. Dive below the waterline, uncover five hidden questions, and put your reasoning before your number.

Fictional scenarios. No timer. No wrong turns.
Painted cutaway iceberg with five hidden amber chambers under a little survey boatSCOPE SURVEY
UNEXPLORED BELOW Tap a numbered chamber to investigate.
BELOW THE SURFACE0 / 5 explored
The visible tip
Core work only
Your explored scope
Hidden work not yet investigated
Field note

A small number is not necessarily a bad estimate. An unexplained number is simply hard to trust.

Bring your own iceberg

Think in paragraphs.
Count in brackets.

Write the story of the work: what you know, what you assume, and what still needs checking. Put each effort range right inside your reasoning.

[2..5h] = 2 to 5 hours
[1.5h] = 1½ hours

Hours only. Ranges are summed, not statistical confidence intervals. Effort is not a delivery date.

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SUM OF EMBEDDED EFFORT