Wheelchairs and disability equipment can be expensive! While we do not advise buying a used wheelchair, sometimes you have no other options.
Here are a few places to buy and sell wheelchairs and equipment:
Facebook Marketplace:
https://www.facebook.com/marketplace/category/wheelchairs/
USA
http://www.themobilitymarketusa.com/
UK
http://www.themobilitymarket.co.uk/
https://www.skiggle.co.uk/marketplace/
Australia
Canada