No formal stats...and nothing newer than 30 years old...the difference between 30 years and 100 years old hasn't been significant.We've done several roofs and replaced lots of air conditioners.  

They will have population stats.

Can the firm perform title examinations and lien searches?

Obviously we can all look at stats and draw our own conclusions. 

@James KrellHey James,I work as a title examiner in MT.

There are some stats that up to a certain amount of rent increase tenants will stay. 35/mo they wont move.

I recently passed my real estate exam in Virginia and asking for any suggestions on books or any material that would help with becoming a successful agent.

You'll get the most up-to-date market stats and commentary from the leading experts in our market.

So, in examining potential investments, it is important to never let your emotions get involved.

@Jason RuelloAs said below, 5-10% of monthly rent should be allotted towards TRR (treatments, repairs, replacements).To get a more accurate number or capital expenditures, you can examine the age and state of major items of the house such as the roof, HVAC, water heater, etc.