For a decade, Park Hyeon-su lived in a windowless micro-apartment in Seoul, working double shifts and saving every penny for a deposit on a nice home. Then real estate scammers took his money.
South Korea's rental housing market features a unique system known as "jeonse" in which tenants pay huge deposits -- sometimes hundreds of thousands of dollars -- then get to live rent-free for years, before getting all their money back when they move out.
