The US housing market has seen sky-high demand, with a record number of homes being sold last year. At Qualia, Nate Baker has created a vertical SaaS business to support the industry. Qualia is now the default closing platform used by over half a million real estate and mortgage professionals in all 50 states. We cover why real estate technology is a "sneaky big market," how the next chapter of digital transformation in real estate will unfold, and why he's keeping an eye on whether Zillow expands to own the full purchase transaction.