Shipping is by nature the responsibility of the seller. If the seller wants to insure the package, they enter into an insurance contract. I highly recommend that buyers stay away from shipping decisions.
I always tell the shipper to take as much time as necessary to ship it safety and to make their own decisions. If something happens then they can't say "well I did it the way you told me to".
For a buyer to consider taking any responsibility for a shipment that the seller packages is a fools errand.
Jerry