266 Realtor Not Happy With "Low Appraisals"

Note:

This interview was recorded nearly a week before the massacre in Las Vegas.  Of course, the attack has overshadowed things.  I am checking on Dave's status now. 

Dave Radcliffe is a high producing real estate agent in the Las Vegas area. He is not happy with appraisers who do not do their jobs correctly. Two years ago, he produced this video expressing some concern with appraisers with 'gonkulators':

https://www.youtube.com/watch?v=AW9jwS1FvJg&feature=youtu.be

Dave agreed to be on the show with me.  Listen in and see if he still feels the same way.  What is a "low appraisal" according to real estate agents?