Craigslist is a good option, however, caution should be used to prevent being scammed.
Also, Craigslist can be dangerous, please use caution in inviting other persons to your residence. Always make it during daylight hours and make sure you have other people with you at the time.
If it is possible, move the items for sale into a separate well lighted area such as the garage.
Do not invite buyers into your house.
You cannot be too careful. That being said, I have successfully purchased and sold items on Craigslist.
Another way to move a lot of stuff is to hold a yardsale. It is unbelievable how you can sell this way.