How to get rid of all of your extra stuff

It often feels like people fall into one of two categories: those who throw things away easily, and those who hold onto everything. For those of us who fall into the latter category, tasks like spring cleaning and downsizing can be a challenge, especially when you take into account the amount of stuff we as Americans tend to accumulate. 

In fact, 71 percent of Americans say they buy things they already have because they can’t find the original in all of their clutter. And as baby boomers age...