The best way to estimate expenses is experience and knowledge of your specific asset type and market.For vacancy, that will depend on your market and the quality/desirability of your type of unit.

These have a much higher CoC ranging from 18-30% depending on how involved you are, the property specific and its execution from a design/amenity standpoint to management.  

If you pay retail, you'll be looking at 500k to 550k depending on area and lot. 

But strictly going by the numbers, it's borderline OK, depending on the type of market.

It creates over-leverage and the performance of one property is dependent on the other.

A place like this may do ok with displaced parties, but not likely for travel nurses or contract workers based on your description, depending what else is out there. 2 bedroom single-family homes are great rentals because they cost way less to buy and don't rent for much less than a 3-bedroom home.

Results vary! 

You’ve come to the right place to connect with some vary smart investors.

Ultimately, it depends on your goals (low rates, fast turnaround, etc.).

The home is in a C- to B neighborhood, depending on the person.