FinOps & GreenOps

Introduction: Why Total Spend is a Useless Metric

Defining Unit Economics in the Cloud

The Hierarchy of Units: Choosing the Right Metric

Calculating the Unit Cost in Practice

Margins Analysis: Connecting Unit Cost to Profitability

Diseconomies of Scale: When Growth Makes Things Worse

Engineering Proxies: When You Don't Have Business Data

Introduction: The "On-Demand" Trap

Reserved Instances (RIs): The "Old School" Commitment

Savings Plans: The Modern Commitment

The Spot Market: Using the "Clearance Aisle

Enterprise Agreements and the Marketplace

Introduction: The Shared Bill Problem

The Foundation: Tagging

Tagging Policies: Enforcement and Inheritance

The Culture of Accountability: Showback vs. Chargeback

Shared Cost Allocation: The Hard Problem

Cost Anomaly Detection: The Check Engine Light

Budgets and Budget Actions

Introduction: The Cloud Has a Physical Footprint

The Core Problem: Carbon Intensity of Electricity

Carbon-Aware Computing: Shifting the Load

Power Efficiency Optimization: The Hardware Revolution

Measuring Success: PUE vs. SCI

Introduction: Speaking the CFO's Language

CAPEX vs. OPEX: The Definitions

Depreciation vs. Amortization: Spreading the Cost

The EBITDA Trap

Financial Engineering: Capitalizing Software Labor

Putting It Together: The FinOps Financial Model

Introduction: List Price is for Retail

The EDP: Enterprise Discount Program

Private Pricing Agreements (PPA)

Negotiation Levers: What Do Cloud Providers Actually Want?

The Marketplace Hack: EDP Drawdown via Third-Party Software

Contract Lifecycle Management: Negotiation Is Not a One-Time Event

Introduction: Why Excel Fails in the Cloud

Monte Carlo Simulations for Cloud Spend

Time-Series Forecasting: The Foundation Before Monte Carlo

Auto-scaling and Budget Variance

COGS Reduction Programs

Introduction: Proactive vs. Reactive FinOps

Tiered Storage Economics

S3 Lifecycle Policies: Automating Tier Transitions

Data Transfer Topology: The Hidden Tollbooths

Introduction: The Digital Hoarding Problem

Rightsizing: The Recommender System

Spot Orchestration for Stateful Workloads

Building a Systematic Waste Reduction Program

Introduction: The $10,000 Surprise

Understanding the Free Tier

The First Line of Defense: AWS Budgets

The Second Line of Defense: Cost Anomaly Detection

The Third Line of Defense: Service Control Policies and Account Isolation

Introduction: The SaaS Margin Crisis

Architecture Dictates Cost Visibility

Calculating Cost in a Pooled Model

Tiered Pricing Strategy and the Free Tier Trap

Key SaaS Unit Economics Metrics

Introduction: What is FinOps?

Phase 1: Inform (Visibility)

Phase 2: Optimize (Efficiency)

Phase 3: Operate (Culture)

The Six FinOps Principles

Introduction: The Tower of Babel

The Core Schema: Speaking the Same Language

The Money Metrics: Billed vs. Effective vs. List

Charge Types and the Full Picture of a Bill

FOCUS Adoption: Where the Industry Stands

Introduction: It's Not Magic, It's Math

The Cost Formula

Calculating the Break-Even Point

The 128 KB Safety Valve

Fleet-Level Analysis — Thinking at Scale

Introduction: The "All or Nothing" Mistake

Strategy: Price-Capacity-Optimized Selection

The "Split" Architecture: Weighted NodePools

Handling the 2-Minute Warning

Introduction: From "Cloud First" to "Cloud Smart

The Economics: Rent vs. Buy

Case Study: The 37signals Exit

Colocation: The Middle Ground

The Hidden Costs of Exit: Egress Fees and Data Gravity

Exit Strategy: Keeping Your Options Open