Craigslist is a free classifieds service that categorizes posts by geography. Craigslist is a great way of selling that old sofa, finding a job, or even finding an apartment. If you sell something on eBay, they take a percentage of your earnings. If you sell something on Craigslist (or buy something, for that matter) you get rid of the middleman. If you choose to use Craigslist, be careful; Craigslist is full of scammers. As long as you are doing your business in person, there should not be a problem though. The thing we like most about Craigslist is the job section – employer’s pay Craigslist to post their ad.
Unofficial craigslist android app: https://play.google.com/store/apps/details?id=com.duduapps.craigslistfree&hl=en
Unofficial iphone app: https://itunes.apple.com/us/app/craigslist-mobile-for-iphone/id430667358?mt=8
Windows Phone app optimized interface: http://www.windowsphone.com/en-us/store/app/craigslist-deluxe-lite/5c6d457a-f40d-e011-9264-00237de2db9e