This article is reprinted by permission from The Escape Home, a newsletter for second homeowners and those who want to be. Subscribe here. © 2022. All rights reserved.  The longtime real-estate agent snickered when I asked her to look back on her career and her clients. She said she had learned something that all agents soon come to recognize: “Owners are moaners, and buyers are liars.” Would she be willing to expand on that? Oh, yes, she’ll dish, provided I do not print her name here. She is mostly out of the game — she has announced her retirement several times but keeps getting “just one more last deal” that…