When I noticed a few issues where the calculators appeared to not be functioning properly (no information is provided with the calculators, you get just what Brandon uses in the sales pitch every week (like Carlton Sheets).

There are people way smarter than me and you combined that still don't have a clue what's going to happen next. 

As for improvements to get top market rents a unit is perfectly functional at market rent for 20 years assuming it is kept in good condition.

Yes obviously we need to get paid BUT we more than make up for it by comping a lot of things that other lenders cannot + combine that with specials that the bank might cover or throw in for us since we do a lot of business and at the end of the day our client usually 9 times out of 10 gets a way better deal overall, better rate, better closing costs by waiving certain fee's if we can, etc etc. 

Indy has had more investment come to the city the past 4 years that the past 25 years combined, for example. 

But certainly functionally. 

Two of the units are 1/1 and have a normal layout, and the 3rd unit is a 3/1 that seems to have been pieced together by combining a 1/1 unit with a garage or something like that.

Check all utility systems professionally - if they're not functioning properly, it'll be your biggest expense.

It's designed to interface smoothly with Excel and Google Sheets, allowing you to easily export data for further detailed analysis or to supplement your current model.Considering your proficiency in real estate financial modeling, your feedback on its functionality could be invaluable.

While many will also create LLCs or other entities and perform other services, that is not their core function.