Financial stewardship couldn't be more Biblical. As Americans (probably the wealthiest nation of ALL TIME), we can get lazy in watching our spending. Disposable income has never been higher, but neither has personal debt. Household debt is 126% of disposable income and our savings rate is -0.7%! (that means we actually don't save) One of these days, we'll all give an account of what God has put in our possession including our money. Do you know where your money is?
Here's a link where you can learn ways to keep a better eye on your spending.