Rochester rental property

[Jim Lopez]

I am new investor and plan to start invest in Rochester rental property. I plan to purchase 2 to 3 property this year, and ideally in C/D class area. Is there any area recommended with low criminal rate and reasonable ROI?

If you have recommended rental property management company and agent, that will be great.

I am also thinking the efficient way to purchase the property, should I use all cash to purchase them first, then wait later to do the refinance for several properties together to save my credit score and cost? 

Thanks in advance.

[Martin Grizzanti]

I own and manage 17 units in c/d class neighborhoods.  I find it has been pretty simple.  I also work full time.  So far so good.