Welcome to the Community, summergurl.
l can help add your debit card account to QuickBooks Self-Employed (QBSE). Kindly follow the instructions below:
- Select the profile ⚙ icon and then select Bank accounts.

- If you've already connected an account before, select Connect another.

- Enter the sign-in info you use for your bank's website.
- When you’re ready, select Connect securely.
Check out this article for more information about connecting banks in QBSE: Connect bank and credit card accounts to QuickBooks Self-Employed.
If you need additional references for future tasks, you can check out these helpful links:
The Community is always open if you have further questions while adding bank accounts or anything about QuickBooks. I'll be around to help. Have a lovely day.