A starting point to determine its value is to give Hensley a call - they have a program that will buy it back from you then re-condition it for resale as a rebuilt unit. Your participation is obviously up to you - but it will establish your minimum sale price and you can go from there.
Bambi - 2002 (The Toaster)
Pathfinder - 2009 (The Buggy)
"I'm not young enough to know everything ....."