[mothered]

I left a note saying to leave the package at the door(delivered to an apartment) and the driver signed the package for me.

Given "you" provided the delivery Instructions as per above, It makes you responsible for the lost shipment.

or EB

I'd say It's too heavy for the EB/missing Item method.

At any rate, what's the precise weight?

whatever else i could do.

The sealed box method.