I have called several different property managers in the different areas to feel out rents but when I am searching the entire metroplex and the areas surrounding it, rents vary and really the only way for me that I am aware of to accurately get a feel for the rents in that neighborhood is through a quick CMA.  

@Chris Kennedy  If you are in Canada, the market varies depending on where you are. 

Regional markets vary, but troubles in the AG sector could bring opportunities down the road... 

Depending on traditional or streamline 203k, they vary.

First, there is no right or wrong answer to your question and you'll most likely get varying opinions.

Depending on which service your MLS offers the comparison will vary.

The price to create and maintain an LLC can vary dramatically.

Ratios will vary depending on ones' comfort level, knowledge/expertise and time horizon. 

I realize this a post from almost a year ago.In regards to your question about cap rates, they vary on sfr but class c units yield the most due to the areas they are located in.

Your liability for dues incurred by the prior owner varies from state to state.