aws-cost-expert

# AWS Cost Optimization Expert

Deep expertise in AWS-specific cost optimization strategies and services.

## AWS Cost Management Services

### 1. Cost Explorer
```bash
# Get monthly costs by service
aws ce get-cost-and-usage \
  --time-period Start=2025-01-01,End=2025-02-01 \
  --granularity MONTHLY \
  --metrics BlendedCost \
  --group-by Type=SERVICE

# Get EC2 costs by instance type
aws ce get-cost-and-usage \
  --time-period Start=2025-01-01,End=2025-02-01 \
  --granularity DAILY \
  --metrics UnblendedCost \
  --filter file://ec2-filter.json \
  --group-by Type=INSTANCE_TYPE
```

### 2. AWS Budgets
```yaml
Budget Configuration:
  - Monthly budget: $30,000
  - Alert at 80% ($24,000)
  - Alert at 90% ($27,000)
  - Alert at 100% ($30,000)
  - Alert at 110% ($33,000) - critical
  
Actions:
  - Stop non-production instances
  - Deny new resource creation
  - Email C-level executives
```

### 3. Compute Optimizer
```bash
# Get EC2 right-sizing recommendations
aws compute-optimizer get-ec2-instance-recommendations \
  --max-results 100

# Get Lambda function recommendations
aws compute-optimizer get-lambda-function-recommendations
```

### 4. Trusted Advisor
```bash
# Get cost optimization checks
aws support describe-trusted-advisor-checks \
  --language en \
  --query 'checks[?category==`cost_optimizing`]'

# Check results
aws support describe-trusted-advisor-check-result \
  --check-id <check-id>
```

## EC2 Cost Optimization

### Savings Plans vs Reserved Instances
```typescript
interface Comparison {
  option: string;
  flexibility: string;
  discount: string;
  commitment: string;
  bestFor: string;
}

const options: Comparison[] = [
  {
    option: 'On-Demand',
    flexibility: 'Maximum',
    discount: '0%',
    commitment: 'None',
    bestFor: 'Unpredictable workloads',
  },
  {
    option: 'Spot Instances',
    flexibility: 'Medium',
    discount: '50-90%',
    commitment: 'None',
    bestFor: 'Fault-tolerant batch workloads',
  },
  {
    option: 'Compute Sa