- What's New
- Hands-On Tutorials
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Getting Started
- Getting Started with Cost Center
- Confirming Your Cost Allocation Method
- Using Grouping Tools to View Costs
- Making Cost Analysis to Explore Costs and Usage
- Creating Forecasts and Budgets to Track Costs and Usage
- Enabling Cost Anomaly Detection to Identify Anomalies
- Changing Billing Modes to Optimize Costs
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User Guide
- Upgrade Description (New Edition)
- About Cost Center
- Overview (New Edition)
- Cost Assistant (New Edition)
- Getting Started
- Cost Analysis
- Cost and Usage Forecasting
- Budgets
- Budget Management (New Edition)
- Cost Anomaly Detection
- Cost Optimization
- Savings Plans (in OBT)
- Reserved Instances
- Cost Allocation
- Exporting Cost Details
- Preferences
- Export History
- Cost Management for Enterprises
- Permissions
- Quotas and Constraints
- Auditing
- Best Practices
- API Reference
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FAQs
- Overview
- Accessing Cost Center
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Cost Analysis
- How Do I View the Costs of My Member Accounts?
- Why Can't I View My Cost History?
- How Do I Know the Creator of Resources That Incurred Expenditures (Costs)?
- What Are Costs Tagged with "Not Categorized"?
- What Costs Are Marked with noTagKey?
- Why Can't I Find My Created Tags?
- How Do I View Amortized Costs over a Specific Period?
- What Is Cost Data?
- What Are Amortized Costs?
- Why Are My Costs Negative?
- Budgets
- Cost Optimization
- Cost Tags
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Cost Categories
- What Is a Cost Category and How Does It Work?
- When Do I Need to Create a Cost Category?
- What Does It Mean by Using Existing Rules for a Cost Category?
- What Is the Default Category?
- Can I Create Nested or Hierarchical Cost Categories?
- What Are Splitting Rules?
- Can I View Cost Splitting Results on Cost Analysis and Budget Management Pages?
- Alert Notifications
- Cost Details Export
- General Reference
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What Does It Mean by Using Existing Rules for a Cost Category?
Using existing rules for a cost category lets you flexibly define a rule that dynamically inherits the value of a cost category or enterprise project to group your costs.
For instance, you can use a tag key, Group, to tag your resources with values as team1, team2, and team3. After you create a cost category, with an inherited rule, the cost category will automatically group your costs by team1, team2, and team3.
When defining cost category rules, if you choose to use existing rules for a cost category, there will be a delay. Save the cost category, and wait until the cost category is applied.
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