The cost of divorce can very depending on a number of factors. First, the complexity of the case. The more complex the case, the more expense the case will be to complete. Second, the amount of disagreement and general fighting. The more fighting, the more expensive the case will cost. Every time an attorney works on the case, it costs money. Lastly, the billing practices of the lawyer. Typically larger law firms charge higher rates and bill for everything including copies and postage. It is extremely important to monitor how much you are spending and not let emotions get the best of you.