Zillow 'humbled' by real estate industry

Founders share lessons learned in early launch mode

SAN FRANCISCO — The creators of online home-valuation service Zillow learned the same lesson that many innovators and entrepreneurs before them have learned: real estate is difficult, it’s local and it’s not the travel industry.

Co-founders Rich Barton and Lloyd Frink shared 10 lessons they’ve learned since entering the real estate industry with the launch of Zillow earlier this year, and recalled well-known words of wisdom from Dave Liniger, co-founder and chairman of RE/MAX International.