In just poking around, I ran across this website and thought it might be useful for others. http://www.unitedstateszipcodes.org/  I have recently moved and I am still discovering the statistics of my area. 

I was curious to know if bigger pockets keeps statistics for the members that use the site.For example:I would love to know which state has the most members on bigger pockets, which state has the most plus and pro members.  

Although there is an inherent risk by having your properties in the same metropolitan statistical area, at least you get to take advantage of economies of scale.

I haven't run any statistical data on appreciation but I do know what it appraised at before we had our crash in 07, it was roughly 250k.  

That makes sense to evaluate different statistics to determine the best use of capital based upon your strategy and goals within your portfolio.  

If he's relying on national statistics on commissions, he clearly has no experience with insurance and especially not with high cash value case designs.

What factors can I take into account that may assure me I would be ok, is there a population or statistic?  

The Memphis Realtors just published the following statistics for January 2016.

The older your tenants statistically the less they move, the younger statistically the more frequently they move.

January 2016 Houston Housing StatsHouston Real Estate Highlights in January Single-family home sales declined 2.1 percent compared to January, marking the fourth consecutive monthly decline;Total property sales were unchanged at 4,965 units;Total dollar volume was statistically flat at $1.2 billion;At 262,663, the single-family home average price reached its highest level ever for a January;At $200,000, the single-family home median price also achieved a January high;Single-family homes months of inventory climbed to a 3.3-months supply versus 2.5 months a year earlier;Townhomes/condominium sales rose 15.6 percent with the average price unchanged at $183,076 and the median price up 2.4 percent to $140,000;Leases of single-family homes rose 2.8 percent with rents up 4.2 percent at $1,742;Leases of townhomes/condominiums climbed 12.2 percent with rents up fractionally to $1,568.