The taxes and insurance are accurate.  

The most important part is accurate comps and repair costs.

It is not the most accurate that I have seen, but it is a start.

Would this be accurate?

Make sure to advertise in all the available channels you can find so you can perform a true test.

It is unlikely that those numbers are all inclusive or even accurate.

Not 100% accurate, but might give you an idea of amount of investors in the neighborhood.

Perform a cash out Refi on your own home to bring you back to 25% equity in your home. 

I'm looking for performing rental properties in SAC.

The other unknown factors (not listed in your post) are if any structural framing, roof or other big ticket items are in need of replacement as well which could add to your costs per SF.For a real and accurate answer, best to get 2-3 contractor bids.