[Pandemic5th]

from previous experience they do send someone out to check it was delivered properly

They have no right to set foot on your private property and question you about the delivery, nor are you obligated to answer their concerns.

Thankyou very much, i will keep you updated.

I always wonder if this is more of a pressure tactic instead of genuinely helping look for the lost package.

Carrier investigations are never worth anxiety, tbh. If things go south for your refund there are a myriad of options you can use to resolve the situation and at least get your money back.

In case the a DNA doesn't work out, and you don't want to press the issue, a simple "my neighbour picked it up" works wonders to diffuse it.