Are you being sued?
Have you been arrested or charged with a crime?
Have the police asked you to come in for a "talk?"
Are you going through a divorce or separation?
Are you buying or selling real estate or a business?
You need a lawyer. You know that.
People hire lawyers for advice and legal counsel or to prepare legal documents all of the time, in all kinds of situations.
While you may be able to get through a legal problem without hiring a lawyer, you should always remember that when you represent yourself, you might have a "fool for a client," as the saying goes.
When your finances or liberties are in serious jeopardy, the obvious answer is to simply must get a lawyer.