AWS Budgets: This service allows you to set custom budgets for your AWS costs and receive alerts when your costs exceed your budgeted amount. Source: over 1 year ago

You might be better off trying to get a prepaid visa card (or similar) and set your account up with that. And definitely create budget alerts so you'll get an email as soon as your bill goes over a dollar (or whatever limit you choose). Source: over 1 year ago

Automated billing and budget setup with alerts for increased usage. - Source: dev.to / about 2 years ago

AWS allows configuring cost alerts via AWS Budgets service. https://aws.amazon.com/aws-cost-management/aws-budgets/. - Source: Hacker News / over 2 years ago

AWS Budgets – Use this handy tool to set custom budgets and track your costs/usage for different use cases. You can set an alert for when the actual or forecasted cost goes over your budget threshold. The tool can also alert you when your actual Reserved instances or Savings Plan utilization/coverage drops below the threshold you’ve set for it. - Source: dev.to / about 3 years ago

Perhaps https://aws.amazon.com/sagemaker/data-labeling/ ? Source: almost 2 years ago

In this session you will discover how to use Amazon SageMaker to prepare data for machine learning in minutes. SageMaker provides data preparation tools that make it easier to label, prepare, and analyse your data. Walk through a complete data-preparation workflow, including how to use SageMaker Ground Truth to label training datasets, as well as how to extract data from numerous data sources, convert it using... - Source: dev.to / over 2 years ago

As for who run MLD I guess It’s Amazon itself, have a look at this https://aws.amazon.com/sagemaker/groundtruth/. I speculate that multiple companies use this resource and they are the one responsible to upload the correct instructions, Amazon just redirect the labeling job for us using and requester account in mTurk, that explains why the communication is unacceptable with this requester. Source: over 2 years ago