We also, on occasion, receive an ASQ about our clearly posted shipping rates. We always respond, calmly, professionally and, if situation warrants it, send the person a link to my shipper (Fed-Ex) along with the pertinent info (box dimensions, weight, originating Postal Code. Doesn't really take a whole lot of time and, we have received wonderful thank you notes for taking the time to explain as well as new clients for having done so. I have always felt too many sellers are far too quick to fill up their BBL at the slightest rumble, each to our own I suppose.....