I need to sell my playstation 3? I need ways?

Well here's a less conventional approach. I would give craigslist a try. You'd surprise at how quick and easy it is to get up an ad and have people respond to it. And while it won't always be quick, depending on where you are it can be a convenient way to get rid of unwanted items. For a price of course. However I do have to warn you to be very very careful and cautious when doing business on craigslist. Here are a few tips in case you decide to

I would advise only listing your email as a form of contact. If a text is more convenient for you then I would recommend downloading a texting app and listing your app number instead of your actual cell number. Or course you will need constant access to the Internet via your mobile data or wifi. If a call of what you prefer there are texting that allow free calls for limited time.. If and when you meet with someone always go to a public place and bring someone with you. If the person ask to test it then find a way to test publicly.