Alternatively, buyers may simply choose to add sufficient funds to their PayPal Balance to cover the cost of the purchase (easiest method).
Step 1: After logging into your PayPal account, click on the "gear icon" to open your Settings.
Step 2: Find your "preapproved payments" by clicking on Payments > Preapproved Payments.
Step 3: Click on the "preapproved payment plans" link.
Step 4: Select the correct Celery preapproved payment charge.
When the order was placed, buyers will have also received a confirmation email from PayPal with the preapproval key.