You can get combo units that are 24" wide and fit under a countertop so they can go right in a kitchen setting. 

All of these factors/considerations impact each other to some extent and its impossible to know whats possible until everyone in the group is clear on what they need/want this to look like.Either it sounds like you're on the right path with the line of questioning. 

There is no way to really get an adequate perspective because there will always be a very wide variance of thought processes.

While to some extent software can act appropriately based on averages, that'd different than actually understanding the marketplace and workflows and optimizing.  

I work with properties all over Australia, mostly around Perth and Melb but to a lesser extent Sydney/Brisbane or any regional areas as well.

It is not always about stats.Recommendations:Neighborhood-Level Research: Don't just look at city-wide data.

I say Keller Williams because I used to be an agent there and I know they are a large brokerage world wide. 100% of $1,000 commission is still better than 100% of $0 commission. 

I too very recently invested in Lee Arnold's so-called system but I'm glad to say, not anywhere near the extent that you and your husband did.

You don’t get CA level appreciation in Kansas City.Some areas are high crime so need make sure you understand the neighborhood you are investing in, like any city all locations are not equal.Very car centric city, mass transit is not widely used, people don’t walk, they drive outside of a few very walkable locations in heart of the city. 

Fix your cabinet with the missing door, remove the stickers from the mirror and window, close the toilet lid, sweep and mop the floors, use a wide-angle lens, and take pictures from an appropriate angle.