If you've been thinking about turning your spare change into holiday cash, Coinstar is offering a generous deal right now.

If you don't mind substituting the cash for a gift card, you can make a 25 percent profit by pouring those extra pennies, nickels, dimes and quarters into a Coinstar machine.

That's a pretty nice way to stretch your holiday budget but, of course, there's fine print to the deal, which runs through Dec. 9.

Here's are the details: