"The further you descend in price, the more distanced the ultimate owner tends to become from the transaction. Million-dollar apartments are often traded sight unseen, based on a floor plan or a YouTube clip."
http://nymag.com/news/features/foreigne
"A wire or a suitcase can convey cash from China to Singapore, or from
Russia to an EU member state like Latvia, and once the funds have made
it to a “white list” country, they can usually move onward without
triggering alarms."
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