{M}IRR may only be 2-3%I concede to your point that $5K is not likely going to have Mark circling the drain ... but, in my experience, most {residential} realtors have a built-in positive bias ... so, if his realtor thinks the property is only worth $110K, there is a strong possibility the business may only be worth $100K ... or even less.Math doesn't lie ... get the actual data (2 - 3 years worth) and run a full analysis.

Now I'll concede mid 7's under the Fannie programs (I had forgotten about those) but 6.1% is unheard of (in my experience) here is GA, for FTHB.

Another path forward would be to put the cost on the Request for Repairs but I'm not confident the seller will concede anything given the market conditions.Has anyone dealt with a similar situation in the past?

I will concede that your post is longer than this one, by word count, I hit return more than you did perhaps.GoodLuckWithYourFindings!

Eventually, he conceded and we went to settlement earlier today :)I want to publicly thank Ned Carey for all of his advice and words of encouragement.

However I will more accurately concede your point if you trade me the volatility of stocks for the logistical nightmare of having to have a fire sale on your residence or  evict your renters on a foreclosure when your ARV dips during a downturn. 

Even Dave Ramsey concedes the spouse may not think a duplex is a great idea and your wise to listen to that.

If they do concede that in the final deal, will they basically be adding $2k to whatever their final number really was?

If you don't honor your contract, a lack of planning on your part doesn't mean I will concede contractual language.If someone knows you own these rent houses they realize you could work with them.

The script in this call demonstrates that you can get people to concede damage to the property.