What is the fee that qb charges for ACH transactions? It was my understanding that it was a 1% fee, capped at $10.

Welcome to the Community.

Yes, you're correct. Let me share some information about how QuickBooks's ACH payment process works.

For more information about the current payment rates, visit this website: Standard Payment Fees & Rates | QuickBooks Payments.

Furthermore, if you want to know when QuickBooks deposits customer payments into your bank account, please visit these articles: 

• QuickBooks Payments FAQ.
• Find out when QuickBooks Payments deposits customer payments.
• Process an ACH bank transfer from a customer in QuickBooks Online.

We're always around if you have additional questions regarding the ACH fee or other related concerns in QuickBooks Online. It's our priority to offer further assistance. Best of luck with your business!