Do not contact the listing agent. There is a big risk to damage yourself and you would never find out.
Contact an real estate sales with the following charactors
He/she may not be experienced but really want to improve himself//herself.
He/she may not be from the local but does not care to drive.
He/she may not be rich as a top producer but does not care to close more transaction.
He/she may not be a good compromizer but must be a good fighter.