As a newly qualified teacher you’ll begin on a salary of at least £22,467 - https://getintoteaching.education.gov.uk/funding-and-salary/teacher-salaries
Fully qualified nurses start on salaries of £21,692 - https://www.prospects.ac.uk/job-profiles/adult-nurse
The starting salary for police constables in England, Wales and Northern Ireland is between £19,383 and £22,962 - https://www.prospects.ac.uk/job-profiles/police-officer
Think i would rather take £21,000 for cleaning a floor / sitting on a supermarket checkout