-In this video I demo a custom function that sends a daily update to your email with:
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-"End of Month Billing Projection"
-"Amount Spent Yesterday"
-"Total Spent this Month"
https://markcodebucket.s3-us-west-1.a...
Simply cut and paste this code into lambda as a python script, replace the function code with your own SNS topic ( that you subscribe to) and then add a cron job trigger.
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I then demo how to investigate what is actually contributing to your costs, via a cost and Cost and Usage report (that goes into detail, item by item, and is viewable as a .CSV). With Cost Explorer you get a general idea where your costs are from, with Cost and Usage report you can find out exactly.
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Here is the Lamda function (that's triggered by a daily Cloudwatch Events cron...to send you a daily email alert):
https://markcodebucket.s3-us-west-1.a...