Garage or Lawn Sales. Post a couple of signs around your neighborhood. Let your friends and family know.
New app NextDoor. Check it out.
What's a good way to sell furniture ?!!!ASAP
You can advertise it in a local newspaper, put it up on sites like Gumtree or Ebay, donate it to charity (if money isn't an issue and you just want to get rid of it quickly) etc
I sold a few things on Craigslist.
Craigslist. I sold a ton of stuff on there.