Do they open packages in customs?

I have a package coming from the netherlands to the usa, how often does customs open packages?? what makes them open packages?? Is it at random, or the size of the package or weight or what?? Do they typically open like 10% of packages, or do they open...

I keep seeing Q's from people saying their package has been detained by customs to be "reviewed". Of all the countries I've either lived in or shipped stuff to (never Canada though) so far as I'm aware, there's never been an instance where...

my boyfriend is going to send me a care package and he will include a money on it.is it okay to include a money in the box.do customs open the box upon its arrival in the philippines?

i'm ordering a gun part from sweden for my german ww2 sniper rifle and if customs opens it they might think its a gun but is not its just the trigger assembly and i dont want it to get confiscatedor go through all the b.s. to straighten things out and...

I sent out a package from the US to the UK last Thursday. I was notified that it had made its way out of US customs immediately, and was on its way to its destination that Friday. But, what happens to packages at customs in the UK? I'm a little worried...

I frequently order from china, and never have i had a problem getting packages, usually takes about a week, once it hits customs i have it the next day! But for some reason i have 2 packages that have been sitting there since August 31st, can anyone...

Ive been buying Region 1 & region 0 DVDs from china for the last 3 years & this year Ive had about 4 packages lost to the US customs & its getting frustrating. Also, does anyone know if I can perhaps bypass customs or perhaps which US customs...

Has anyone experienced delays with packages coming from over seas of late? I was expecting a package from overseas about 20 days ago, and have not gotten it yet. I was told by the sender and the post office that it is stuck in customs. The package was...

hello. i am worried that my package is lost. I am not in the states to receive anything..but my roommate said nothing has arrived at the apt. yet. Do i need to pick up the things myself because i need to pay customs? or do customs usually send it out...