Every box you sell is a box you do not have to pack, pay to move, or find a place for on the other end. The trick is matching the item to the right marketplace: bulky furniture sells locally, brand-name clothes sell nationally, and small electronics sell fastest where buyers already hunt for deals. Here are the apps that actually move your stuff before moving day, ranked for how quickly they turn clutter into cash.
For most moves, start on Facebook Marketplace to clear furniture fast, use Poshmark or Mercari to ship clothes and small goods, and lean on Decluttr for a no-hassle electronics payout. Whatever you sell, feed the total into a moving budget so you can see the cash offset your moving costs.