It seems you have 2 positive feedback but sorry to say I didn't what you did.

please be a responsible when your entering and negotiating to anyone
- know all issues of the items to be sold and respect their post
- be appropriate if you have a closed deal ( I'm on my way on our meeting place and then you cancelled it )
- never let the negotiation always be a beneficial only to your part be considerate of the selling party

Godbless nalang sau