Four in 10 people have not set aside at least $500 in savings, according to a new 2014 survey by CreditDonkey.com, a credit card comparison website. That leaves a very small safety net for emergencies and is pretty risky. For those with lots of assets or large families, $500 can go very quickly in a crisis. Just one week out of work or a broken-down car could send those without an emergency fund into an ugly place — one where they are overly dependent on credit or become delinquent payers ...