What is the importance of flexible roles in the staffing of a business organization?

[Kross]

Business organizations can't succeed too far from how it sets up it's staff team. Some teams of a business organization are setup such that members of staff have roles that are not rigid but flexible.
What significance does setting up staff team to be flexible have in the success of a business organization?

 

[eLdavis]

Having flexible employees or teams in your business helps to reduce cost in the business operations majority of the time.

 

[King Belieal]

Having flexible staff would allow your organization not to be stranded when a particular staff leaves the organization impromptu.

 

[Augusta]

Flexible roles can reduce hiring and training costs, as well as overtime expenses. Companies can pay only for the work needed,