Thanks for getting in touch with the Community, @sas13.
The "Your invoice is ready!" message in the email is a default notification from QuickBooks and can't currently be customized or removed.
With this, I recommend sending feedback directly to our product developers to help shape future updates. Your insights are invaluable in helping us improve and better meet your needs.
Here’s how to submit your feedback:
- Click the Gear icon.
- Select Feedback.
- Please provide your input in the designated box, and explain how this feature would help in your business processes. Once done, click Next to submit.
If you have any further questions or concerns, we're still here to help.