Hello there, ASBGS.

I appreciate Just_me providing some steps to get this fix. Allow me to chime in and share information on how to refund a credit card payment from a customer in QuickBooks Online (QBO).

Instead of creating a refund receipt, we'll need to create a written check affecting the Accounts Receivable (A/R)and link it to the credit card payment. This will offset the negative balance. Here's how to delete the receipt.
 

1. Go to Accounting and choose the Chart of Accounts tab.
2. Locate the account and click on the View register link under Action.
3. Hit on the refund transaction and choose Edit.
4. Tap More at the bottom.
5. Hit Delete.
6. Press Yes to confirm.
    

Once done, let's create a check to the bank affecting the (A/R) of the customer with the positive amount of $2,500. Here's how:
 

1. Tap the + New Plus icon.
2. Click Check.
3. Tap the Payee from the drop-down.
4. From the Bank account drop-down, select the account the check withdraws money from.
5. In the Category column, choose the A/R account.
6. Enter the positive amount of $2,500. in the Amount column.
7. Hit Save and close to close the check window.

Moreover, with refunds or return transactions, you may incur a fee depending on your pricing plan and transaction type. For further details, check out this article: Understand fees for refunds or void transactions.

Fill me in should you need further assistance with this refund process. The Community team will always here to help. Have a great day ahead!