How to Negotiate When Salary Is Non-Negotiable

Congratulations! You made it through several grueling rounds of interviews, and now the company you'd love to work for has sent you an offer of employment!

There's just one problem: The salary isn't what you want, and the company has made clear that this is its best offer. What can you do?

Well, one option is to negotiate some terms other than salary. If you can't get the pay you want, you should at the very least be able to improve …
Source: Recruiter