So your "without my asking" is not a reasonable stance to take on your part.The fact that you have NOT been told precisely what the violation is, however, and have not been given an extimate range (you said the lady was vague), AND the fact that grandfathered situations are legal, however, tell me that this plumber is trying to generate work.

I don't know if you'll be able to see this chart or not.

The ROI is 1:1 (for resale value) at a cost of $25k.Note that this comparison (of features to value) is precisely what an appraiser would do when trying to make adjustments for the value of any feature such as an extra bedroom/bathroom, garage, basement, or pool. 

The following first chart shows the trend in median rent as reported by the census bureau for the whole of Cincinnati. 

Steve Rozenberg in episode 343 talked about having an organizational chart for your real estate business. 

Knowing things like these can be super helpful:initial account setup customizing the chart of accounts basic data entrybank reconciliationsgenerating financial statements.I'm not aware of any QB experts that make housecalls, but there are some professionals here on BP that can help get started if you are willing to use the online version. 

That will get a lot more interest than any chart showing you’re cheaper.

The more precise that you are, the better and easier that it is for them to find and send you deals. 

And FNMA adds many tens of billions in the form of US tax payer equity on top of that (see chart below).

It is you that will implement controls to ensure that the management isn't a bunch of thieves, it will be you that decides what price to pay, what to do if there isn't enough cash flow to service the mortgage, and it will be you that will chart the course for the entire investment period.