Ill agree with everyone that it is on the high side but not unreasonable.

However, we don't have a buyer's agent, so the seller's agent thinks he's getting 6%, and he won't be reasonable.So, I figure two can be unreasonable. 

It doesn’t sound unreasonable for the tenant to have a written acknowledgment from the landlord that payment was received.

I didn't say anything about showing documentation, the script will do, you cannot question medical authority or make unreasonable demands like a doctor's qualification or their place of practice. 

My realtor said it is not unreasonable to offer $230k.

Then collegeIt's looks unreasonable to manyThough I see it as a possible task

Am I un-reasonable at my revulsion at his apparent greediness or is 10% a fair price for him to bring true off market deals to me?

If they waited an unreasonable time before initiating those steps, or were otherwise negligent, they MAY be liable to some extent.

I don't think it's unreasonable to expect something like a water-proofing job to come with some sort of a guarantee.

Those that do make it to market rarely make sense and those that do make sense quickly get bid up to prices unreasonable for the avg. investor.