What is the actual income math for a half-time dental practice running big-case marketing? Compelling, when the marketing investment, ROI, net margin, and case volume align. A half-time big-case practice spending $50,000 annually on marketing, achieving a 10-to-1 return on that marketing, and netting 45 percent on the resulting production produces roughly $275,000 in taxable income from treating 18 to 24 patients over the entire year. Doubling the marketing investment to $100,000, holding the same return ratio and net margin, scales the income to roughly $550,000 for the same half-time work. Tripling the marketing produces correspondingly higher results. The math holds [...]