Problems are below:Rotted out subflooring in both 1/1 bathrooms. knob and tube wiring in duplex ( needs brand new wiring)outdated and poorly functioning kitchensoutdated electrical panelingrotted out support beams in the flooring of main house and duplexIncorrect legal size of bedrooms, in CA ( not sure about elsewhere) bedrooms need at least 100 sq ft with a closet and window.

At the end of the day, you are basically calculating an IRR on your property vs this hypothetical investment in the index to show that your investment would have generated a better IRR than if you've invested in an index (Yes it's a function of IRR sorry!).  

Your meals are deductible even if they're not connected to a business conversation or other business function.

Lawyer alleges malfunction has to occur for it to be legit, but I had a broken septic pipe previously that was revealed during routine maintenance even though the septic was still functioning ok so he is just wrong about that.

At least this gets you passed the visual detector for clients. 

Most likely - with limited capital - your best bet will be to use FHA (3.5%) down financing for something that is functional (that is, it is in good enough shape to qualify for traditional federally backed home financing).

While I did not use the online version, I understand the desktop version has more functionalities.

Obviously this won’t help you much once a potential buyer walks into the house and it is empty, except in that you could whip out those pics to help them visualize the space as they walk through.

Who’s responsibility is it to ensure functionality?

It's much less visually confusing and straight to the point.THe header of my comps looks like this: Style Rooms Beds Baths Sq.