Before you agree to hire a lawyer, you should ask the lawyer for details about how he or she will calculate fees, what expenses you will be responsible for in addition to fees, an estimate of the total fees and expenses, and how long the legal matter will likely take to complete. If any of these are not clear to you, this is something you should try to discuss as soon as you realize that there could be a misunderstanding. At the same time, you should realize that a lawyer cannot usually predict exactly how many hours of work will be involved -- especially if the case involves a dispute with another party.
You can also try to handle a legal matter yourself. People without legal training may be able to handle some simple legal matters themselves -- this is called proceeding "pro se" or "pro per." Taking on a legal matter yourself can be risky, however. Each step may involve tax or other consequences that you may not think about. Doing it yourself also requires a lot of time and energy to learn the proper procedures and law. But sometimes people feel that they can't afford legal representation or they just want to do it themselves.
Do I Have to Use a Lawyer? Many people handle legal issues by themselves, without a lawyer. But the law is complicated, and one legal matter can affect another legal issue. For example, a divorce or child custody issue might affect your taxes. Lawyers are able to tell you about how one legal action or decision might affect others. If you want to proceed without a lawyer, it is worth finding a good information source that can alert you about the issues you should be aware of.