Hot off the presses:
Our international shipping program, eBay International Shipping, keeps getting better! Sellers have been asking for combined shipping – the ability to package multiple items from one order in one shipment – and we are excited to announce it is now available. Combined shipping enables buyers to purchase multiple items from one seller and pay reduced shipping costs. (See full announcement) 12/6/23
https://community.ebay.com/t5/Announcements/Combined-shipping-is-now-available-with-eBay-Internation...
Have to see if there actually is an affect with combined shipping to Canada for new purchases. Disclaimers in FAQ.
https://www.ebay.com/sellercenter/shipping/ebay-international-shipping#faqs
-Lotz