The collection agencies call at least 20 times a day. For a little quiet, Diane McLeod stashes her phone in the dishwasher.

But right up until she hit the wall financially, Ms. McLeod was a dream customer for lenders. She juggled not one but two mortgages, both with interest rates that rose over time, and a car loan and high-cost credit card debt. Separated and living with her 20-year-old son, she worked two jobs so she could afford her small, two-bedroom ranch house in suburban Philadelphia, the Kia she drove to work, and the handbags and knickknacks she liked.

Then last year, back-to-back medical emergencies helped push her over the edge. She could no longer afford either her home payments or her credit card bills. Then she lost her job. Now her home is in foreclosure and her credit profile in ruins.

Ms. McLeod, who is 47, readily admits her money problems are largely of her own making. But as surely as it takes two to tango, she had …