I believe that freon removal costs about $35-$50 a pop. Supposing a guy is into scrapping and willing to trade, whatever is the cash equivalent in appliances is what you'd be trading. Have you ever thought about getting certified to do it yourself? If you get a lot of appliances with freon, you would save a ton in removal fees. Do a search for ASE (vehicles) certification online. Here is the link to the EPA websites covering freon removal from small appliances: http://www.epa.gov/ozone/title6/608/608fact.html
and here is a link to the study guide for type I, II, and III technician if you are interested: http://www.epa.gov/ozone/title6/608/.../certoutl.html
Unless you know someone that will do it for free (friend, relative) or someone you could trade scrap or services with, you will most likely lose money when you scrap the appliance.