How to acquire skills required for long-term investing?
As foundational material, read "The Intelligent Investor" by Benjamin Graham.  It will help prepare you to digest and critically evaluate other investing advice as you form your strategy.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How to acquire skills required for long-term investing?

### Response:
As foundational material, read "The Intelligent Investor" by Benjamin Graham.  It will help prepare you to digest and critically evaluate other investing advice as you form your strategy.