Not that long ago, a home buyer would start a search with the Sunday newspaper. Now it’s straight to Zillow or similar sites like Redfin or Realtor.com One recent buyer told Boston 25 News, “I use it all the time. We just bought our house a year and a half ago and I was obsessed with Zillow.” Another woman told us, “I do like Zillow. It’s very helpful and informative and it just helps narrow down the searches of doing it on your own on Google.” These sites are a way to track real estate that’s grown at a faster pace than the price of a single-family home in the…