Facebook Market place is a destination for people to find—and make offers for—items directly through Facebook's mobile app. A button for Marketplace will replace the Messenger icon in the bottom center of the app.
How Do I Sell Items on Facebook Market Place?
1.
Take a photo
of your item, or add it from your camera roll
2.
Enter a
product name, description and price
3.
Confirm your
location and select a category
4.
Post
Facebook Marketplace will be available to everyone over 18 years old in
the US, UK, Australia, and New Zealand on the Facebook app for
Android and iPhone. It will be extended to other countries in the world