I understand the significance of customizing our invoices, @LOA HOA User. 

 In QuickBooks Online (QBO), editing our invoices with a black-and-white format is currently unavailable. However, we can download the transaction and use a PDF reader app to customize it according to our preferences. 

You can also check out this article for additional info: Customize invoices, estimates, and sales receipts in QuickBooks Online. 

Moreover, browse this article to learn about tracking your customer remittances in QBO: Record invoice payments in QuickBooks Online. 

For further concerns about personalizing your sales forms, drop a comment below. Stay safe!