Freshers often think negotiating will get the offer withdrawn. That almost never happens if you're polite.

Freshers often think negotiating will get the offer withdrawn. That almost never happens if you're polite. Script that works: 'Thank you, I'm really excited about this role. I have another offer at X. Is there any flexibility on the base or joining bonus?' Worst case they say no. Best case you get 10-15% more, and that compounds for your whole career.