Not every divorce or legal separation needs a divorce attorney. Some divorces are small and couples can file an uncontested divorce themselves. If you have a short-term marriage (something under five years), no assets, and no children, then you can file an uncontested divorce.
While other divorces are more complex, or too adversarial to handle without one or more divorce attorneys. Maybe a more important question to ask is whether to file a divorce or a legal separation? Read more about the difference between a divorce and a legal separation.