QB Issue Resolution:

Let me route you to the right support team who can help check the online invoicing charges.

I recommend reaching out to our QuickBooks Online Support Team. By doing so, they can look into your account and check the charges for you, which we’re not able to perform here in the Community for security reasons.

You can also go through this link for more details about invoicing and accepting online payments: https://quickbooks.intuit.com/invoicing/.

Resolution for Issue 'Is it supposed to be a 2.9% fee to use the quickbooks invoicing to receive a credit card payment?' available: Yes (Solved).
Source: Intuit Community forum.

Is it supposed to be a 2.9% fee to use the quickbooks invoicing to receive a credit card payment?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Invoicing
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Error Recovery for Invoicing [Canada]
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