Scrum master or manual testing?? Which one will be better for better career and growth?

In grapevine any manual tester here?? It is good field to work or not?

Is Scrum Master salary lesser than the QA or DEV roles?

Please suggest a good scrum master certification that I can get to move forward in my career as a scrum master. Also, how much does a certification help in getting you a good package? Is there any expert here who can let me know if havin...