"...The ability to adapt rapidly remains one of America's competitive advantages. And since the onset of the financial crisis, both consumers and businesses have embraced the new reality. After digging themselves out of $20,000 in debt in 2007, Susannah Fater, her husband, David—a district manager at Staples—and their four children did something radical: they became an all-cash household. "Bills like groceries, gas, and allowance are taken out every month and put into envelopes so that we know exactly where we are financially," says Susannah..."