Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I sold a mattress and a chest to different people through Craigslist and my wife purchased two cars. No problem. It is not different than a yard sale.

If you are so nervous that you have to pack a gun, it is not worth it. Actually, that means you either live in a really bad neighborhood or you have paranoia. :)
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.