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Surprised by High AWS Costs: What Alternatives Have You Tried?

March 22, 2026 5 answers
Asked by TechWhiz97
I've been running a small ECS/Fargate setup, but my recent AWS bill shot up to around $1,000. To my surprise, the compute costs weren't the main issue. The major expenses came from things like the NAT Gateway, Application Load Balancer (ALB), logging, and data transfer – ECS tasks turned out to be the least expensive part. To tackle this, I redesigned my architecture by getting rid of the NAT entirely, swapping the ALB for API Gateway with VPC Link, and simplifying the overall network setup. I'm curious about how others handle this—do you avoid NAT as a baseline cost, or is it something you just live with?
ALB AWS Blog cost optimization ECS Fargate NAT gateway

Answers

ArchitecturalArtist
Great breakdown of costs! I always struggled with the AWS pricing model, especially regarding networking. It feels designed to catch people off guard. That said, sometimes avoiding NAT altogether can be tricky depending on your needs.

CloudBeats99: Totally agree! NAT costs can sneak up on you, especially when managing outside dependencies.

ArchitecturalArtist: Yes! And once you find better ways to handle things, it shows how crucial it is to plan upfront.

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NetworkWarriorX
I think moving your ECS tasks to a public subnet is a solid strategy. It cuts down on NAT costs, though you have to manage the public IPs responsibly. But I get it, security groups can help manage access there.

TechWhiz97: Exactly! I was able to set it up so that only specific traffic can make its way in through API Gateway.

NetworkWarriorX: Smart thinking! It's all about managing your exposure while cutting the costs.

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SimpleSetupGuru
Honestly, I don't even touch NAT at all. I run all my services using CloudFront, S3, API Gateway, and Lambda without any public IPs. My costs barely reach a few dollars a month. Streamlining like that can really pay off!

CuriousCoder78: That setup sounds really neat! Does it allow you enough flexibility to handle various loads?

SimpleSetupGuru: Absolutely! As long as your dependencies are well-aligned with it, you can avoid a lot of costs and complexity.

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KeenObserver22
Have you considered Cloud Map for service discovery? It's something I only recently learned about, and it can be useful depending on your architecture.

TechWhiz97: Thanks for the tip! I’ve heard of it but haven’t implemented it yet. I’ll look into how it might fit in.

KeenObserver22: Definitely worth exploring! It might simplify your service integrations.

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DataDynamo22
Yeah, your experience with NAT costs isn't uncommon! A lot of folks seem to get caught off guard by those. Have you looked into using a self-managed NAT solution? Some people go that route to save a few bucks. They use EC2 instances running specific tools to avoid the expensive managed NAT Gateway.

CloudSavvy81: Good point! But I noticed going that route could lead to more operational overhead. Have you tried the self-managed approach? It seems like a lot of extra work for only a bit of savings.

DataDynamo22: Definitely, balancing cost and operational effort is key. There are trade-offs everywhere.

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