Build and classify the spend cube by category, supplier, and business unit, surfacing tail spend, so strategy rests on visibility. Reach for this when spend is opaque.
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---
name: build-the-spend-cube
description: "Build and classify the spend cube by category, supplier, and business unit, surfacing tail spend, so strategy rests on visibility. Reach for this when spend is opaque."
---
# Skill: Build the spend cube
You can't source what you can't see.
## Step 1 — Aggregate the spend
Pull and unify spend across systems and units (§3 #5).
## Step 2 — Classify it
Map spend to a clean category taxonomy and normalize suppliers.
## Step 3 — Surface tail spend
Isolate the fragmented tail where savings hide.
## Step 4 — Prioritize
Rank categories by addressable savings.
## Output
A classified spend cube, surfaced tail spend, and a savings-prioritized category list.
