You want to be able to see, and if possible, tour projects they've recently worked on so you can see if their quality and value are in alignment with what you're looking for.Again, this is very generalized and somewhat stereotyping, but typically the Architect is the designer when it comes to a pleasing aesthetic, quality materials and functional design.

Biggerpockets search function - Use the search function to see if a BP colleague requested a CPA in your area.

We only replace wood windows with newer windows if: 1) the majority of windows are degraded to a point that labor costs would be high, 2) It's not in a historic district, and meets criteria of #1, 3) When metal fame windows has been installed (typically aluminum), we always replace these as they tend to function poorly.  

Garage maintenance and headaches are fairly minimal compared to a fully functional extra apartment.

It was a fully functioning unit with a separate meter.

These deals often have low returns and function solely on best case scenarios in my opinion.  

Genesis2 is 3-4 times cheaper than Voyager but it is very similar in functions and features.

Having said that, I believe that I am offering a high quality, well maintained dwelling and when I make a couple of dollars I feel good knowing that my properties are providing my tenants with clean, functional, well attended homes.

Per your point @Jim Sestito, really don't want to over reno and we plan on just making it clean, functional with vinyl flooring and a budget kitchen. 

This cash flow schedule is particular to a development project, as you will need to calculate the interest on borrowed funds and the preferred return paid on equity as a function of your construction period expenditures.