Other questions

Hello, leeandrod. 

I'll introduce the batch invoicing feature in QuickBooks Desktop and help you use it.

You can create invoices in batch by going to the Customers menu, then selecting Create Batch Invoices. Here's a screenshot to help you navigate: 

From there, you can select which customers you want to invoice all at once. If you'd like to know more about entering batch transactions in QuickBooks, feel free to read this article: Enter transactions by batch in QuickBooks Desktop.

Need to run your sales reports to see how much you've earned after invoicing your customers? Simply go to the Reports menu, then hover on Sales. Finally, choose a specific report. 

If you need to customize your report, this article can help you out: Customize reports in QuickBooks Desktop. 

If you're looking to explore QuickBooks Desktop's feature some more, let me know. I'm with you in every step of the way.