You can freely replace SageMaker services with other components as your project grows and potentially outgrows SageMaker.

You can freely replace SageMaker services with other components as your project grows and potentially outgrows SageMaker.

Zappos created models to predict customer apparel sizes, which are cached and exposed at runtime via microservices for use in recommendations.
There is another company named Virtusize who is doing the same thing like size predicting or recommendation