It depense.

You need to hire a lawyer. about $200 - $250/hour. and it might cost you from $3500-more than $10,000. It depends on how many assets you have, and if your exwife want to corporate with you or now. But if you don't have money, at least you should hire a lawyer to look at the divorce paper before you sign it. You might don't believe the money you spend on the lawyer worth a lot in the future.