Ignoring managed services: Spot instances are the cheapest types of instances you can get. Auto-scaling the smallest compute instances for your use case is th

Ignoring managed services: Spot instances are the cheapest types of instances you can get. Auto-scaling the smallest compute instances for your use case is the most efficient architecture you can get. It doesn't matter what time or place it is. These are facts that you can check for yourself on AWS/GCP etc cost calculators.