The answer depends on your health, income, age, savings and whether you have a spouse, kids or mortgage. Here's a simple way to calculate an actual dollar amount.
Credit is a useful financial tool -- when it is extended and used responsibly. But given too freely, credit can wreak havoc on the whole economy. Where's the line?
Cities and states are investigating 'anything and everything' -- including looser restrictions on gambling, alcohol and strip clubs -- to drum up revenue.
