Even if you order free boxes, you still have costs associated with shipping. It takes time to properly pack and ship an item, and there are the costs of other packing materials like tape and padding. If you use calculated shipping, the handling fee can be added automatically. Just enter your fee in the Shipping section of the Sell Your Item form.

But remember that savvy shoppers consider all shipping costs when deciding to bid on or buy an item. eBay recommends that you keep packing and handling fees reasonable and be clear about all your shipping policies. It is especially important to keep shipping fees reasonable because that is a key component of the Detailed Seller Ratings.