Start with take-home income, not the headline salary. Then include the costs and benefits that change with the role.
Test the whole working day
- Travel, parking and work clothing.
- Childcare or care arrangements.
- Hours, flexibility and time away from home.
- Benefits, leave and income certainty.
- Any gap before the first pay arrives.
Build a cautious new-job scenario as well as the likely one. Put time, energy and opportunity beside the monthly difference. A job can be financially better and personally worse, or the other way around.