Question Firstly, they have to purchase the item through ebay, you... in Selling on eBay https://community.ebay.com.au/t5/Selling-on-eBay/shipping-extra-items/qaa-p/1495613#M24882 <P>Firstly, they have to purchase the item through ebay, you cant add outside purchases to an ebay invoice. Then you adjust the postage amount accordingly, DO NOT click recalculate, just preview and send.</P> Mon, 08 Sep 2014 10:20:31 GMT gem*addiction 2014-09-08T10:20:31Z shipping extra items https://community.ebay.com.au/t5/Selling-on-eBay/shipping-extra-items/qaq-p/1495345 <P>How do you add extra shipping costs if someone wants to purchase more than one of a similar item?</P> Mon, 08 Sep 2014 08:06:16 GMT https://community.ebay.com.au/t5/Selling-on-eBay/shipping-extra-items/qaq-p/1495345 sesenartsjulie 2014-09-08T08:06:16Z Firstly, they have to purchase the item through ebay, you... https://community.ebay.com.au/t5/Selling-on-eBay/shipping-extra-items/qaa-p/1495613#M24882 <P>Firstly, they have to purchase the item through ebay, you cant add outside purchases to an ebay invoice. Then you adjust the postage amount accordingly, DO NOT click recalculate, just preview and send.</P> Mon, 08 Sep 2014 10:20:31 GMT https://community.ebay.com.au/t5/Selling-on-eBay/shipping-extra-items/qaa-p/1495613#M24882 gem*addiction 2014-09-08T10:20:31Z