Pricing based on data, not emotion, can mean a swift sale. You don’t need to be Bob Barker to know when the price just isn’t right. Just ask Candace Talmadge. She originally listed her Lancaster, Texas, home for $129,000, but “eventually had to accept the market reality” and chop $4,000 off the price. The home’s location proved challenging: Buyers were either turned off by the area — a lower-income neighborhood south of Dallas — or unable to afford the home. “Sellers have to