If you want to avoid being a Gartner statistic or hear big data jokes involving the name of your enterprise, this is a page to visit.
Hortonworks, one of the leading contributors to the Hadoop ecosystem, has assembled resources targeted at developers, analysts and systems administrators.
There are videos, tutorials and even a Hadoop sandbox.
All of which are free.
The choice is yours: Spend enterprise funds and hope to avoid failure or spend some time and plan for success.