They have marketplace board where people list all sorts of goods and services they are trying to sell. Make sure you use a reputable escrow agent to facilitate the trustworthy and safe transfer of your bitcoin, since these transactions must happen without both parties meeting face-to-face.
Yes, but it's kind of outdated as for me. People can trade only digital goods on the forum, e.g. you can't sell a pair of shoes or a new TV. In many cases it takes a lot of time to find what you need and make a deal.