In my case I only want to buy in a few select neighborhoods that are close to where I live.

I usually go to the county auditor's website for my area to find the history, sales prices and ect on the property I'm looking at with accuracy and success, but the one thing I can't get a very accurate idea is rental comps.I know the general rental rates are in my area, but how do I best determine them if I don't know what someone down the street is paying, or someone a few blocks over?

Welcome Joey, try the Ultimate beginners guide here, it was just posted.Beyond that get a good foundation to build on before you select any strategy like you state workbook text for real eseate agents, it's full of the basics and technical matters you need to know before following any method.

We also have a selective law enforcement system.

I just posted an article on our website last week titled, "5 Tips to Reduce Your Property Tax Assessment."

As owners/investors/landlords, what are some of the contributing factors you look for when selecting a company to handle your investment?

I'm also a big fan of J Scott's website!

It does oxidize - like an ozone machine - but selectively and you can be in the rooms while it works.  

However, depending on what bank you select, there could (will) be more stringent overlays.

Envelope selection matters too.