The value of my work is determined by my time multiplied by my hourly rate. Time times hourly rate only gives you a cost, which may be unrelated to value. To determine the value of your work, you have to take into consideration the differences your client perceives that your work makes in his, her or its life. To be profitable, I have to keep my overhead down . If you keep your overhead too low, you may shoot yourself in the foot.
Overhead increases are justified when they contribute to profit increases.
Your goal should be to manage your overhead relative to the type of work you do and the revenue you can generate from it. There are correct answers to practice management questions . The answers to practice management questions are experimental, tentative, empirical. A computer can organize my practice. Only you can organize your practice.