Why nine times roasted bamboo salt costs so much more than sea salt

Nine times roasted bamboo salt can cost almost $100 for an 8.5-ounce jar.
It's made by roasting sea salt inside of bamboo at over 800 degrees Celcius.
That labor-intensive process makes bamboo salt the most expensive salt in the world.
See more stories on Insider's business page.
Following is a transcript of the video.Narrator: This is standard sea salt. But after 30 days, it'll become this. High-quality bamboo salt costs almost $100 for an 8.5-ounce jar, making it the most expensive salt in th