Talk to Operators and Not Wall Street Identify Opposite Points of View and Compare Them With Your Analysis

Talking to People: An Underestimated Action

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One lesson is how important it is to get out there are talk to people. If you spend all your time with your models and spreadsheets, you’re likely to miss something important. You need to understand how the economics work for the people who are making the actual decisions and when you come across something you didn’t know that has broad application, it can be very useful.
Source: http://www.valueinvestorinsight.com/