Click to reveal I know, Ive already done that. I waited until Mercari compensated me. Mercari Seller Since 2014 Author has 847 answers and 3.5M answer views 2 y I wouldn't recommend it. The carriers will charge postage due fees to deliver packages that are over the weight and/or dimension limits on the shipping label. But Ive also heard buyers got postage due with Mercari label. Or does the post office hold it until the buyer pays the extra fee? document.write ('&cb=' + m3_r); Note: The Suggested Weight feature is just a suggestion. Here is what I have emailed sellers who have done this to me in the past: Your item has arrived at my post office however, there is postage due of $X.XX.I asked the PO clerk if I could refuse the package and he said yes but there is a catchin order for you to get your package back on your end, you would still have to pay the postage due. ", Mercari sent the following notification to users about the new shipping rates (you can find an explanation of how shipping works on, The Twitter user Stephenie went on to explain in their Twitter thread that a book they had just purchased on Mercari for $9 would have cost $14 in shipping if they had waited until next week after the new rates take effect. All fees associated with incorrect drop off, package oversize or weight is the responsibility of the Seller. //]]>-->,