Keep it, it's a great device!!!
Or sell to an enthusiast.
PS: Xendula ... what did you sell, and how were you burned? The only time I was "burned" is when I sold a car on eBay and found out that for cars, there is a minimal fee of 50$ (which happened to coincide with the price the highest bidder was willing to offer :-( instead of just a percentage. Are there other such regulations?