The relatively new term "ScrumMaster", ranked #10 on LinkedIn's list of "Most Promising Jobs of 2017", is now known as a valuable role to companies worldwide.

What does a Product Owner earn in various cities around the United States? Is it a career worth pursuing?

So, you attended a Certified ScrumMaster (CSM) class a while ago and have noticed your certification has expired, or is about to expire. What are your options?