Brooke Alper and her husband, Josh, not only have two growing children but also a mountain of clothes that don't fit anymore.
Alper of Livingston, New Jersey, said that her closet was bursting at the seams.
"I have a ton of clothes that still have tags on them or are gifts that people give us that you can't return or exchange," said the mother of two boys, ages 2 and 5.
The "Real Money" team learned, however, that with a little work, Alper's closet could become a gold mine.
Enter Lauren Lerner, an online-resale specialist from Ambler, Pennsylvania, who said online outlets are the new mega-marketplace. Lerner said she'd made more than half a million dollars since she started selling clothes online a decade ago.
"I see it as green, I see it as money," Lerner said of the Alpers' piles of clothing.
With Lerner's help, Alper was able to convert her family's closets into cash. After selling clothes online for just a few hours a week, Alper has made more than $1,200 in her first year of selling online.
Lerner shared the following money-making tips: