Books, videos, DVDs and other media found during spring cleaning sell well at garage sales and flea markets, Ingram says. "Have a box or a bin where it's 50 cents a book or maybe five for $1," she says. "It's not going to get you money to send your kid to college, but you are going to have some extra pocket change."
Another great way to sell media is to group items into lots and sell them on eBay or Craigslist. "On 10 or 20 Disney movies, I've probably made $30," says Ingram.
If maintaining a current media library is important, Ingram suggests swapping what you have for what you want on sites like SwapaDVD.com or PaperBackSwap.com. "You can keep your collection fresh. The only thing you'll be spending is on the shipping," Ingram says.
Vinyl albums, especially those from the '50s, '60s and '70s -- and particularly any from the Beatles -- are making a comeback, says LaPedis, with rare and mint-condition ones often selling for thousands of dollars.
The Forever Vinyl website offers auction and appraisal services and buys collections of singles, albums, CDs and live concert recordings.