Waiting to claim Social Security until age 70 can add more to your monthly payments, but it doesn't always pay off over time.

For most Americans, the decision about when to start Social Security is the single biggest retirement math problem they will ...

By the time you reach 70, you may no longer be able to fully enjoy retirement, and it will likely be more expensive to get insurance to travel abroad. While the average life expectancy in the U.S. is ...