Trying to work out whether Brazil is workable at the moment, because the rules I find online contradict each other.
The returns address and the contact address are often different and only one of them is a real building.
Small, light and boring passes. Large, branded and interesting gets examined.
Declarations that contradict the return address are the ones that get opened.
What is the thing you check first now?
Do you contact the customs office or the carrier first?
No referral links. Shortened links and tracking parameters are the usual offenders.
Photograph everything before you open it. Ten seconds, settles most disputes.
Written confirmation email after every phone call. Cheapest insurance there is.
How do I find the national register if I do not read the language?