I recently had an order which resulted in
a zero dollar charge for
usps_Priority MailTM Flat Rate Envelope.
I did a search and found no other threads
for it, and need to know how best to track
down the source of the miscalculation. I
know USPS recently changed their pricing
structure – is that where it came from?
Maybe this is an old title that needs to be
retired from the active shipping methods
list. I dunno.
I'll do the work, I'm just not sure where to
start.
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