Platform: iOS; Free 

Rough financial times can call for rough measures, meaning the day might be here when all personal prized possessions go up on the auction block. So if there's any platform to push that Michael Jordan rookie card or personal-made items for the highest value, best believe it's SellSimple. List products across numerous marketplaces including eBay, Etsy, Craigslist, Twitter, or Facebook to maximize outreach and score major cash.