I’m 40 and $300000 in debt after my startup failed. I’m living on $10 a day in South Korea.

Kang Gwang-sik, 40, tells Business Insider he has been living on just $10 a day while facing $300,000 in debt.Plan Shooting 2 / Imazins/Getty Images
A South Korean man documented his daily l… [+5343 chread more