Aug. 13 is apparently National Garage Sale Day. I don’t know who invented it, but more power to them. We live in modern times though, and selling your unwanted stuff online can be way more profitable.

Whether you want to start your own e-commerce or online business, or just want to declutter your house, selling stuff online can be pretty lucrative. Online marketplaces, social media, websites and ...

Are you losing your attic, garage, and closets to clutter? Is your home so cluttered that you are having a hard time focusing? Would you like a way to turn some of that clutter into cash? Well, then ...

Got an eye for secondhand goods? Clearing out clutter in your home? Gone are the days of waiting for your next neighborhood yard sale — all you need is an Internet connection to start turning ...

The buyers are out there, so if you're looking to thin out your collections, the following are some selling avenues you might ...

If you want to make some extra money or start a side gig, selling stuff online may be the answer. Chances are that you have things around your house that you’re no longer using — things that other ...

More and more people are getting accustomed to the concept of buying and selling online as sites like eBay, Etsy and Poshmark continue to increase in popularity, especially within the last two decades ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Cash in on your closet ...

It was a stark reminder of the potential danger of buying from online marketplaces: An off-duty police officer from New York was shot and killed during an attempted robbery when he showed up to buy a ...