My husband and I have sold many items on eBay over the years and learned a few things along the way. Here's how we make some ...

Mercari is a popular, all-purpose marketplace for nationwide sales. The app guides you through the process step by step, giving you the flexibility to list anything you can ship. No storefront is ...

An Etsy printables business has the potential for high profit margins. You create items once—like works of digital art, ...

You can search through all of Craigslist at once with the help of several third-party sites and apps.

You can advertise on Facebook through the Help Center, allowing you to build your business or brand's online presence.