Press question mark to learn the rest of the keyboard shortcuts, https://faq.usps.com/s/article/Return-to-Sender-Mail. Any shipment over 50 lbs in actual or dim weight will be charged freight rates. The package weight must be less than or equal to the weight specified on the label (H x W x L / 139 shipping divisor) and must be under 50 lbs. Click here to find the nearest FedEx drop off location. Mercari is seriously one of the easiest platforms to list on. '&charset='+document.characterSet : '')); document.write ("<\/scr"+"ipt>"); If you were to refuse a package, in order for the seller to reclaim their item, they would have to pay the postage due anyway because, according to USPS, they have done their service by delivering (or attempting to deliver) the said package. And someone will see that something got a downvote and just downvote it too without reading it and without reason. Mercari Seller Since 2014 Author has 847 answers and 3.5M answer views 2 y I wouldn't recommend it. If a package you sent needed a postage due fee, we'll notify you. She is a member of the Online News Association (Sep 2005 - present) and Investigative Reporters and Editors (Mar 2006 - present). There is an additional fee when the carrier has to repackage the item during transit. Be sure to only use a shipping label once to avoid any additional fees. I prefer to use Pirate Ship , because they have unique discounts that I will try to cover in an upcoming video! Thanks for your help and advice everyone! It is not the fault of USPS that there was insufficient postage so that would still have to be paid by either you or the seller. var m3_u = (location.protocol=='https:'? Sellers will be responsible for paying any oversize or overweight fees so the buyer doesnt have to pay them. She said next time, make sure you weigh it properly or else I won't scan it. So it was over by 2 ounces. Choose the right label for your packages size and weight to help keep the marketplace fair and shipping labels affordable. Be sure to use the right box for your label. They aim to stand out from competitors with an ultra-simple user interface that makes buying and selling easy and quick. Good point. All FedEx packages, including FedEx Ground Economy packages, must be dropped off at a FedEx location or at a designated FedEx drop off location. You won't pay the difference, Mercari will. //]]>-->2, Mercari is raising shipping fees on February 1, 2022, for certain weights, and buyers and sellers are saying it's pricing the ecommerce platform right of the market. Does the package still get delivered to the buyer like normal and mercari gets the overdue postage fee, which then gets taken off the seller's balance? //]]>-->,