This: "Most of the credit cards she had were maxed out by 2004. She would sometimes just let the bills pile up and not pay the minimum."
..then this: "Last fall, wanting to buy gifts for her mother and sister and clothes for a young niece, she applied for credit and was rejected at Macy's and Dress Barn, finally getting a card with a $250 limit at the Children's Place." is what's called living beyond your means. Credit != free money.