This video will show you how to stop my base actions creating a duplicate of your raw image.
I find, for me, it's best to always work on a duplicate of your image. This way you will never corrupt or destroy the original file / photo. You can always go back to the original and use it again. This is why my base actions create a duplicate of your image.
BUT if you don't want to work on a copy of your original image, this video will show you how to stop this being created in the action.