The decline of newspaper print classifieds and the ripple effects that gutted newsrooms began, by many accounts, in 1995.

If you’ve ever spent hours browsing Craigslist or Facebook Marketplace like me, you’ve probably come across a CitiCar. The ...

Craigslist now claims a presence in more than 700 cities and 70 countries, though it is still U.S.-focused. Competitors like Oodle and Kijiji jumped up, then newer ones like Minjari and OfferUp.

Of them, eBay, Craigslist and Facebook Marketplace tend to be the big three. All these sites have international reach, and you can use them to sell practically anything.