A good bit of your solo or small firm practice will be devoted to maintaining the books and making sure money is coming in. As times change, the usual practice of taking in about a third of your client's takings is becoming less and less pervasive -- and there's good reason: it costs too much to wait for the outcome of a suit. In the worse case, you might not get paid at all.
It's often preferable to have money coming in consistently. How do you accomplish that? Introducing the menu style of legal practice: flat fee billing.