I had a deal two weeks from closing. Financing was locked, inspection came back clean, appraisal was perfect. My buyers were already picking out paint colors and had scheduled movers. Then the seller's adult son decided to "do some research" on property values in the neighborhood. This guy lives three states away, hasn't visited the house in four years, and suddenly he's convinced mom is leaving six figures on the table because he found a Zillow listing for a completely renovated house with a pool selling for more. Mom panics. Wants to back out. We're past attorney review, earnest money is on the line, and I'm getting calls from the buyer's agent asking what the hell is happening. I spent three days talking the seller off the ledge while her son kept sending her screenshots of irrelevant comps. Finally got everyone calmed down, deal back on track. Then the son convinced her to demand the buyers pay an extra fifteen thousand dollars "or else." The buyers walked. Lost their dream home, I lost my commission, and the house sat on the market for another four months before selling for less than our original offer. Happy Thanksgiving to me.