It's the high cost of these saliva nests that makes bird's nest soup so expensive. Here in New York City's Chinatown, for example, a couple dozen were selling for more than a thousand dollars.
so it's a head-scratcher as to why bird's nest soup is outrageously expensive. Two factors account for why EBNs are so pricey: What they are and how they're harvested. EBNs are not made of twigs ...