I generally take photos and/or video that is sent to buyer to help them assess the product, and to demonstrate everythimg was working moments before I pack it. I also send pics of the package at the PO counter and 99% I do a tracked or signed for.
If there is something wrong then its just returned and refunded unless it has changed from the pre packing condition.
Its either insured by carrier and claimed for.
In a battle of wits I refuse to engage with an unarmed person.
To one shot one kill, you need to seek the S. Kill only comes from Skill