You state that "you lost money on the deal" but really how much are we talking here? Is it just shipping and handling fees? Please bear in mind that this is a very popular unit and you should have no problem re-selling the unit.
I believe that you did the right thing, but it does sound to me that the unit is isolation sensitive and perhaps there is just a smidgeon of culpability on you rpart for not imparting caveat emptor (although to be truthful, I don't believe I've seen any ads that have included this warning for Meridian players).
I would leave a neutral feedback for the buyer. Given the circumstances as presented, I feel leaving a negative feedback is a little to harsh as there are some mitigating factors.
I believe that you did the right thing, but it does sound to me that the unit is isolation sensitive and perhaps there is just a smidgeon of culpability on you rpart for not imparting caveat emptor (although to be truthful, I don't believe I've seen any ads that have included this warning for Meridian players).
I would leave a neutral feedback for the buyer. Given the circumstances as presented, I feel leaving a negative feedback is a little to harsh as there are some mitigating factors.