"Showed up postage due...just 21 cents but ... " (more)it's a hassle to deal with. You might want to check into the USPS regs on "parcels" vs "letters." This was classified as a "parcel" because of the thickness."
"I wish customer would've talked to m ... " (more)e about the issue at hand before leaving feed back but we've figured it out and hopefully all is well. :)"