The number of “sold” homes failing to seal the deal come closing time is growing. A new report from Trulia shows that the “sales fail” rate has jumped from 2.1 percent in 2015 to 3.9 percent in 2016. Trulia noted that there was an even bigger jump in incomplete sales in the past two years. Of all listed properties in the fourth quarter of 2014, only 1.4 percent did not reach the closing table. But in the fourth quarter of 2016, the number of failed sales catapulted to 4.3 percent. The reasons those sales are falling through the cracks range...