In terms of your question. The All-in-One is meant to be a tool for underwriting for-rent commercial real estate investments. A town home project is generally a for-sale product, and thus the All-in-One won’t be a good fit.
I’ve gone ahead and added Michael’s Condo Development Model to your ‘My Downloads’ page:
The methodology for analyzing a for-sale Condo Development and for-sale Townhome development is virtually the same. You can learn how to use the model here: