I sold an item and the buyer paid $9.09 for calculated shipping through
USPS. I decided to ship FedEx because it was safer for the item and
faster for the buyer. The estimated cost was $15.27. Instead of (15.27 -
9.09) showing up on my invoice the fu...
I sold an item with calculated cost shipping and the buyer paid for
USPS. Can the buyer paid amount ($9.09) be used for another shipping
service, like FedEx?