Want to declutter your home and make money, too? The website decluttr.com makes it easy to list your old DVDs, music, books, games and more online. Using the app, you can turn your smartphone into a bar code scanner. It automatically makes a list of the items you have to sell and gives you the automatic resell value. Box up the items, and ship them to the company for free. After it receives your items, you'll get paid.