Should use Canada Post and will they insure expensive jewellry or use UPS or FedEx?Went to UPS and they want appraisal before will insure and ship.Is there duty on customers end?

Shipping expensive items $300 and up jewelry purses to USA what is safest way? | Selling

Shipping expensive items $300 and up jewelry purses to USA what is safest way? | Selling | eBay Canada EN