why seller is responsible if buyer does not recevied the item when its clearly says in seller add

[clarksonsardar]

why seller is responsible if buyer does not received an item while its clearly says in seller add upgrade shipping to register track package.

[silverpinups]

Shipping with a Tracking Number is a Seller Protection.

If the Buyer opens a "item not received" claim and the Seller cannot provide "confirmation of delivery" then the Buyer will refunded for the transaction regardless of what option they chose for shipping. .