Transactions

I can see how important it is to be able to set different messages on the different invoices, Jfoxtrot09.

You can let our product team know how this will benefit your business by sending a request. You can visit our Customer Feedback page and send your suggestions from there by clicking the Give Feedback option. I've added a screenshot for your visual guide:

In the meantime, you'll want to consider following the steps provided by @Kurt_M.

Additionally, QuickBooks offers different kinds of reports that tell the different aspects of your business. You'll just have to make sure to customise them so you'll get the information you need. Check out this article for more details: Customise Reports In QuickBooks Online.

Drop a comment below if you have further questions about invoices. I'll be right here to help.