Whether you've been watching Netflix's Marie Kondo special or have just been trying to get rid of some items you no longer use, online marketplaces could be a good option. eBay once was one of the few places to sell online, but now we have Facebook Marketplace, Poshmark, Threadup, Letgo and the list goes on. We talk with a reporter about which platforms are best for what and how to ensure a good experience for you and the buyer.