A recent problem is many retailers are selling bootleg Ghibli DVDs.
1. There are no legit 'regionless' Ghibli DVDs.
2. There are to date no legit Ghbili DVD box sets.
For more info, including an address to report those selling bootlegs, see:
I have reported about 50 dealers so far.
And also the Pirate Anime FAQ :
Gilles Poitras firstname.lastname@example.org
Learning Studio, Exploratorium Museum