But DFW is a large area, and there are great variations by neighborhood.

The direct approach (asking) demonstrates your ethics and as the variations are typically "fill-in-the-blanks", I would venture you would get the consent.

Buffalo, NY doesn't have a ton of wild pricing variations so I just threw in the 100K number as an example for our C-area .

Those materials are outdated and come from someone who hasn't wholesaled in year, if ever.They all tell you to do the same stuff with a slight variation - letters, yellow letters, post cards, band it signs, etc. 

Of course the variation in risk per the LTV's puts interest rates in a range btw 5-8 percent.  

Although specific rules vary from state to state, all states have passed variations of the Revised Uniform Partnership Act.The liability of the partners varies from state to state.

Rishel Consulting Group conducts such audits and our auditors have observed a variation in the level of understanding on the part of our clients regarding, among other things: § the comprehensiveness of the AML Program, what information requires a SAR filing, § the obligation of filing a SAR in a particular instance, how and when a SAR must be or should have been filed, and the extent to which employees are adequately educated in Bank Secrecy Act mandates.SAFE HARBOR There are some features of filing a SAR that have stirred controversy and provoked litigation over the years, especially in the areas of the “Safe Harbor,” limitation on liability, and notification to the suspect of a subject SAR being filed.

So, if you are investing in the suburbs and in more than one municipality, you should expect to encounter variations. 

from the Wisconsin Broker CE I have taken you are ok to show someone elses unit, hand them a lease, and even collect rent or security deposit, but you cannot negotiate that lease, meaning no variation to what is in print, nor explain anything in the lease.

There are variations to it, but essentially you pick your farm area and go and study 50 homes within it.