The 100-envelope challenge has become a popular method across the U.S. for quickly building emergency funds, reducing debt, ...

Saving money can sound as exciting as eating plain oatmeal. However, the 100-Envelope Challenge is shaking that up.

Another day, another dollar — saved, that is. A viral internet challenge has emerged as the hot new way to stockpile cash for the future, and some super-savers have collected over $5,000. The “100 ...