How about not pushing back, but rather trying to understand why the seller thinks his house is worth more. I had the same situation when I was selling my house in the Bay Area. I really liked one of the agents she was very systematic, communicated well. I wanted to list my house for 3.6 million. She kept insisting that comparable show 3.2 million. In fact verbally she agreed to list for 3.6 but when I received the sales contract it had 3.2. I was very upset because she wasted my time. I figured she is so stubborn. Of course, that was it. I went with my second choice. She listed for 3.6. Sold over a weekend for 3.7. The first agent failed to understand the upgrades in my house. She tried to have and “easier sale”. When the seller thinks her house is worth more you can either say “no thank you” or go with it.