Earlier quoted context omitted.
Just don't try this trick if sending things overseas. The recipient won't appreciate the customs bill (20% in the UK).
You can put any value on the parcel and it won't matter in the slightest. You can declare the value to be $1M and it has no bearing on the final customs charge paid. Chinese shops have been sending everything declared as "gift" with $1 value and customs officials don't give a shit - the parcel is opened and the official makes an assessment on the worth of the item - if it roughly matches what the shipping document sa…
Customs officials in Norway will generally charge the customs fee on the declared value, but if something looks off - a huge, heavy box with a $1 declaration, for example, they can and do open it to verify the contents.