Question about future prospects

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A friend recommended I get certified as a scrum master and get CAPM. Is the market over-saturated? Any recommendations and certifications that would help? I’ve been reading and taking free online courses on agile and scrum, a lot is similar to NIMS and ICS.

It’s a full life restart after my son graduated and we can relocate. I’m getting out of 16 years emergency medicine and worked in team building facilitation for a few years so I have a fair amount of experience with communication, leading and building teams.