Billing and Cost Management

Main models:

1. Pay-as-you-go:
- No long-term commitments
- Pay only for consumed resources
- Ideal for variable workloads

2. Savings Plans:
- Discounts in exchange for usage commitment
- 1 or 3 year commitment
- Save up to 72% vs on-demand

3. Reserved Instances:
- Reserve capacity in exchange for discount
- Standard (up to 75% discount) or Convertible (up to 54%)

4. Spot Instances:
- Use AWS unused capacity
- Up to 90% discount
- Can be interrupted

5. Free Tier:
- Free services for new customers
- 12 months for some services
- Always free for others

AWS Cost Explorer:
- Visualize and analyze costs
- Identify spending trends
- Future cost projections

AWS Budgets:
- Set custom budgets
- Alerts when thresholds exceeded
- Track usage and costs

AWS Cost and Usage Report:
- Detailed usage reports
- Granular billing data
- Integration with analysis tools

AWS Pricing Calculator:
- Estimate costs before deployment
- Compare configurations
- Budget planning

Basic (Free):
- Documentation and whitepapers
- Community forums
- Trusted Advisor (7 basic checks)

Developer ($29/month):
- Everything in Basic +
- Technical support by email during business hours
- Response time: 12-24 hours

Business ($100/month):
- Everything in Developer +
- 24/7 support by phone, chat, and email
- Response time: < 1 hour for production
- Full Trusted Advisor

Enterprise ($15,000/month):
- Everything in Business +
- Dedicated Technical Account Manager (TAM)
- Response time: < 15 minutes for critical
- Architecture and operations reviews