This study is not comprehensive and you may need to be aware of the subtle racism in promoting sweeping generalizations about entire races based on limited studies like this. 

Once you've seen a wobbly roof, a wonky foundation, and lots of cobbled repairs, you learn to look for those subtle signs of trouble for yourself.

That delay may hinder back-and-forth negotiations and subtle information may get lost.  

I also plan to experience with different color envelopes as well as a few other subtle things to do to the outside of the envelope that i've been reading about. 

Jorge Perez - Powerhouse Principles and Sam Zell - Am I being too Subtle

It may prove to be worthless professionally, but you will know you finished it and it may help you in subtle ways you can't put your finger on right now.There's a quote somewhere about the two greatest mistakes.

Real Estate can be boring to some so I try to add some flavor whenever possible.

If you don’t like to read, listen or educate yourself than unfortunately you will likely not find much success (although I am sure there are those out there that have succeeded without).Rich Dad Poor Dad, Millionaire Real Estate Investor, Multi- Family Millions (Dave Lindahl), ABC’s of Real Estate Investing, The Book on Rental Property Investing, Hold, The Advanced Guide to Real Estate Investing, The Due Diligence Handbook for Commercial Real Estate, Millionaire Real Estate Agent, The Book on Managing Rental Properties (Brandon Turner), The Emyth RevistitedCrushing It in Apartments and Commercial Real Estate, Emerging Real Estate Markets ,The ABC’s of Property Management, Wheelbarrow Profits, The One Thing, Outliers, Start with Why, David and Goliath, Chasing Excellence, Extreme Ownership, The Compound Effect, The Entrepreneur Roller Coaster, Be Obsessed or Be Average, The 10x Rule, The Obstacle is the Way, Ego is the Enemy, Am I Being Too Subtle, 48 Laws of Power, Atlas Shrugged, Man’s Search For Meaning, Sapiens, Tools of Titans, Four Hour Work Week, Who Not How, Shoe Dog, Ride of a Lifetime, The Honey Bee, Living with a Seal, 10% Happier, Relentless, Zero to One, Can’t Hurt Me.

You can never really mimic someone else because you will always put your own flavor to it.Both strategies have positives and negatives.  

If that person happens to be the owner of the house, a subtle difference can make a difference between closing a deal or getting cursed for unwanted marketing call.And to one or another degree this same pattern of interaction will follow you anywhere you go, be it a networking meeting, conversation with the lender, a realtor , an attorney and so on.