Didn't actually read the original post properly, but the fact that you have signed documents regarding the deal, including the trade-in surely means that you are tied to your agreement legally as well as morally. And that makes me even more baffled as to why you would then try to sell your bike to someone else?!
Regarding the private buyer, you certainly should feel bad about wasting their time and at the very least should offer to pay for the travel cost.
Edited by badbusdriver on 05/07/2018 at 23:15
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