If you plot cost vs usage on a graph, you’ll find the Lambda cost line starting at zero with a certain slope, and your AWS line starting at much higher than zer

If you plot cost vs usage on a graph, you’ll find the Lambda cost line starting at zero with a certain slope, and your AWS line starting at much higher than zero but with a slightly lower slope. The lines will always intersect at some point, but depending on your load the intersection point will often be too far away to care. The costs of devops and maintenance and scaling will also drive the AWS line higher and the intersection point further away.