The 100-envelope challenge requires numbering 100 envelopes from one to 100 and drawing one randomly every day. The number on the envelope drawn determines the amount of cash that must be saved. Getty Images
The 100-envelope challenge requires numbering 100 envelopes from one to 100 and drawing one randomly every day. The number on the envelope drawn determines the amount of cash that must be saved. GettyShow more
Try these six money-saving challenges that can pay off in the long term
If saving for tomorrow seems out of reach, the right financial challenge can generate excitement, push competitive buttons and potentially increase savings