You can say something like:
So, let me ask you this question: Have you received any other opinions on the value of what your home should be listed at?
I know this is a big investment for you to move forward and you want to make as much money off of your sale as you can and you want to save as much money as you can on your purchase. Correct? Don’t you owe it to yourself to get a couple of opinions?
Or:
That's great! Would you like to learn how to increase the value of your home by 5%?
