https://thrivecart.com/blog/update-01-07-25-checkout-scroll-shipping-charges-course-upsell-fixes/
Experience smoother checkout scrolling, clearer shipping-charge displays and improved course upsell behavior for better customer flow and conversions.
shipping chargesupdatecheckoutscrollcourse
https://www.fedex.com/en-hk/customer-support/faq/invoices-and-payments/payments/update-payer-account-shipping-charges.html
You can log in to FedEx Billing Online using your fedex.com User ID and submit a dispute by selecting "Incorrect Account" dispute type via the dispute tracking...
shipping chargesupdatepayeraccount