Now that we’ve covered the basics of AWS pricing, let’s look at the services you’ll most likely use.

One thing I tell people is this:

Don’t try to learn all of AWS at once.

AWS offers more than 200 services, but most websites and applications rely on fewer than ten core services.

Once you understand these services, you’ll understand where most of your cloud costs come from.

💡 Not sure which AWS services your project needs?

Instead of guessing, use our AWS Architecture Wizard to get a recommended AWS architecture based on your application, expected traffic, and storage requirements.

➡ Try the AWS Architecture Wizard

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Amazon EC2 Pricing Explained

If AWS were a city, Amazon EC2 (Elastic Compute Cloud) would be its engine room.

EC2 provides virtual servers that run your applications.

Think of it as renting a computer in AWS’s data center.

Instead of buying physical hardware, you choose:

• CPU
• Memory (RAM)
• Storage
• Operating system
• Region

AWS creates a virtual machine that you can access within minutes.

What affects EC2 pricing?

Your monthly cost depends on several factors:

• Instance family
• Number of vCPUs
• RAM
• Operating system
• AWS Region
• Running time
• Pricing option (On-Demand, Savings Plans, Reserved Instances, or Spot)

For example, a small business website may need only a lightweight instance, while an AI application performing heavy computations may require a GPU-enabled instance.

Choosing the right size is one of the easiest ways to control costs.

Want to estimate your EC2 cost?

Use our AWS Pricing Calculator to compare instance sizes and estimate your monthly infrastructure cost before deploying.

From my Experience

One of the most common mistakes I see is selecting an instance that’s much larger than the application actually needs.

Many teams assume that “bigger is safer,” but paying for unused CPU and memory every month adds up quickly.

It’s usually better to start with a smaller instance, monitor performance, and scale up only if needed.

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Amazon S3 Pricing Explained

If EC2 is your application’s computer, Amazon S3 is its filing cabinet.

S3 stores almost anything:

• Images
• Videos
• PDFs
• Application Backups
• Documents
• Static Website Assets
• Log Files

Unlike a traditional hard drive, S3 is designed for durability and scalability.

Many businesses never have to think about storage limits because S3 can scale automatically.

What affects S3 Pricing?

Your bill depends on:

• Amount of Data Stored
• Storage Class
• Number of Requests
• Data Transferred out of AWS

AWS offers different storage classes for different use cases.

Frequently accessed files usually stay in standard storage, while archives can be moved to lower-cost storage classes.

Practical Example

Imagine you own an online store with thousands of product images.

Instead of storing those images directly on your web server, you can place them in S3.

Your website becomes faster, your server handles less work, and you gain highly durable storage.

Pro Tip

Set lifecycle policies so older files automatically move to lower-cost storage classes when appropriate. This can reduce storage costs without manual intervention.

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Amazon EBS Pricing Explained

Many people confuse Amazon S3 and Amazon EBS.

They’re both storage services, but they serve different purposes.

Amazon EBS (Elastic Block Store) acts like the hard drive attached to your EC2 instance.

When your virtual server starts, it needs storage for:

• Operating System
• Installed Software
• Configuration Files
• Application Data

That’s where EBS comes in.

What affects EBS pricing?

Costs depend on:

• Volume Type
• Storage Capacity
• Provisioned Performance (for some Volume Types)
• Snapshot Storage

From my Experience

One hidden cost I often notice is unattached EBS volumes.

It’s surprisingly common for teams to delete an EC2 instance but forget to remove its storage volume.

Even though the server is gone, the storage may continue generating charges until it’s cleaned up.

A regular review of unused resources can help prevent this.

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Amazon RDS Pricing Explained

Managing your own database server takes time.

You need to install updates, create backups, monitor performance, and plan for recovery.

Amazon RDS (Relational Database Service) handles much of this operational work for you.

It supports popular database engines such as:

• MySQL
• PostgreSQL
• MariaDB
• SQL Server
• Oracle

What affects RDS pricing?

Typical factors include:

• Database Engine
• Instance Size
• Storage Allocated
• Backup Retention
• Multi-AZ Deployment
• Read Replicas

A development database usually has very different requirements from a production system serving thousands of users.

Practical Example

Suppose you’re launching a SaaS application.

Instead of maintaining your own MySQL server, you use Amazon RDS.

AWS manages many operational tasks, allowing your team to spend more time building features rather than administering databases.

Planning a new application?

Use the AWS Architecture Wizard to determine whether your project actually needs Amazon RDS or whether a simpler architecture may be sufficient.

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AWS Lambda Pricing Explained

Lambda is one of my favorite AWS services because it changes how you think about running applications.

Instead of keeping a server running all day, Lambda executes code only when it’s needed.

No Request?

No Execution?

Typically, no compute charges.

This makes Lambda particularly attractive for workloads that don’t need a continuously running server.

Common Lambda Use Cases

• Image Processing
• APIs
• Automation
• Scheduled Jobs
• Notifications
• File Conversions

What affects Lambda pricing?

Costs generally depend on:

• Number of Requests
• Execution Duration
• Memory Allocated
• Additional Features Used

For event-driven workloads, Lambda can be an efficient choice because you pay based on usage rather than maintaining idle infrastructure.

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Amazon CloudFront Pricing Explained

CloudFront is AWS’s global Content Delivery Network (CDN).

Instead of every visitor downloading files from a single location, CloudFront caches content closer to users around the world.

The benefits include:

• Faster Page Loads
• Lower Latency
• Better User Experience
• Reduced Load on your origin Server

What affects CloudFront pricing?

Common pricing factors include:

• Data Delivered
• Number of Requests
• Geographic Location of Users
• Optional Security or Edge Features

Practical Example

Imagine your website is hosted in Mumbai, but visitors come from Europe, North America, and Australia.

Without a CDN, every request travels back to your origin server.

With CloudFront, many requests are served from edge locations closer to the user, improving performance and potentially reducing load on your infrastructure.

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Data Transfer: The Cost People Often Forget

If there’s one area that surprises new AWS users, it’s networking.

Many people estimate the cost of EC2 and storage but overlook data transfer.

💡 Tip

Our AWS Pricing Calculator includes networking considerations to help you build a more complete estimate before deployment.

Depending on your architecture, traffic patterns, and regions, networking charges can become a meaningful part of your monthly bill.

Examples include:

• Internet Traffic leaving AWS
• Cross-Region Data Transfer
• Communication Between Services
• Load Balancer Traffic

This doesn’t mean networking is expensive—it simply means it deserves attention during planning.

When estimating costs, always include networking as part of the overall picture rather than focusing only on compute.

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Which AWS Services Does a Typical Website Need?

Let’s take a simple example.

Imagine you’re launching a WordPress website for a growing business.

A typical architecture might include:

AWS Service	Why You Need It
Amazon EC2	Hosts the Website
Amazon EBS	Stores the Operating System and Application Files
Amazon S3	Stores Media Uploads and Backups
Amazon RDS	Hosts the Website Database (Optional, depending on your Setup)
Amazon CloudFront	Improves Global Content Delivery
AWS Certificate Manager	Provides SSL Certificates

You don’t need every AWS service on day one.

The right architecture depends on your application’s size, expected traffic, availability requirements, and operational preferences.

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A Simple Way to Think About AWS Costs

When someone asks me how AWS pricing works, I usually break it down into four questions:

1. How much Computing Power do you Need?
2. How much Data do you need to Store?
3. How many Users will Access your Application?
4. How much Data will move across the Network?

If you can answer those four questions, you’re already much closer to estimating your AWS costs with confidence.

That’s exactly what our AWS Pricing Calculator helps you do.