Sell: Sell your furniture on Craigslist [1]or give them away on Freecycle [2] to let your pre-loved items find a new local home. 

Donate: If eBay is your seller of choice, consider using Mission Fish [3] to support your favorite causes through trading on eBay. A portion of the profits go to a nonprofit of your choosing, and you get a tax deductible receipt! 

Excess Access [4] serves both charities and the environment by matching your unwanted household materials with the wish-lists of nearby nonprofits that can provide pick-ups or accept drop-offs.

Donate furniture and other household goods to Goodwill, Salvation Army, or other thrift stores, You can also give your pre-loved goods to the Vietnam Veterans of America [5], who will pick up your pre-loved items from the sidewalk in front of your house, or to Build it Green NYC [6], New York City's only not-for-profit building materials warehouse.