Welcome to the Community space, @bigchinoguideser.
I'll share information about the processing fees for QuickBooks Payments.
Each time a customer pays an invoice for debit cards, the processing fee is 2.99%. To know more about this, you can visit this reference for your guide: https://quickbooks.intuit.com/payments/payment-rates/. It also contains answers to your frequently asked questions.
On top of that, you can see this article to ensure you seamlessly record your payments and processing fees: Choose where to record payments and processing fees for QuickBooks Payments.
Please don't hesitate to add your reply below for more queries about accounting customer payments or invoices. We're here to help you achieve your goal. Take care always.