Go buy a dozen of those cheap little blank yard signs (the ones with the wire H frame work fine), a big fat tipped sharpie, and a lock box.

That might be a fat chance answer but it's what you could use if he'll give it to you. 

But to tack a $10k fee onto a deal that's already thin (using the 70% guideline) just smacks of greed (or stupidity, or a fundamental misunderstanding of what an investor buyer is looking for).Pigs get fat; hogs get slaughtered.

The term "liability" differs considerably from the term "responsibility" in jargon of legal agreements.For example, if you hire someone to enter buy/sell orders of certain Futures contracts, and she makes a "fat-finger" mistake and as a consequence, you lose a million dollars.

Or just go for the fat cash flow, which one can verify with a simple spreadsheet formula can work out comparably well.

You need a way to frame this so it's good for both parties.Remember: Pigs get fat; hogs get slaughtered.

Also, he talked me out of a deal that would have been a fat commission for him but iffy for me.

You will always be the "fat-cat, big-shot investor" who stole his house out from under him when he was vulnerable.

I'm sorry to hear you are having issues, hopefully you can fight it, but in my experience on the lending and investing side, the appraiser won't budge unless they made a trivial mistake (forgot to take into consideration major highway dividing lines, incorrect square footage on records, fat fingering an address, etc.)

It seems that you are transparent so you get a fat ol "good job" check!