| Product Manufacturing & Packaging |
Variable |
Reduce gross margin by 8.0% of revenue in the first year, falling to 4.0% by Year 5. |
Treating inventory purchases as monthly overhead instead of order-driven gross margin pressure. |
| Ingredient Sourcing & Formulation |
Variable |
Apply as a revenue-linked charge: 2.0% in the first year, improving to 0.5% by Year 5. |
Leaving formulation out of unit economics because it feels like product development. |
| Fulfillment & Shipping |
Variable |
Deduct 4.0% of revenue in the first year, then model improvement to 2.0% by Year 5. |
Using a flat monthly shipping budget even though orders drive the spend. |
| Digital Marketing & Content Production |
Variable |
Model as 3.0% of revenue in the first year, declining to 1.0% by Year 5. |
Counting all marketing as fixed overhead and missing margin drag as sales scale. |
| E-commerce Platform Fees |
Fixed |
Include $299 per month in fixed overhead before calculating break-even revenue. |
Spreading the fee across units and hiding the true monthly sales floor. |
| Website Hosting & Maintenance |
Fixed |
Include $150 per month as baseline operating overhead from Month 1 through Month 60. |
Dropping hosting from break-even because the dollar amount looks small. |
| AI Quiz Development & Licensing |
Fixed |
Include $400 per month as a recurring fixed platform expense. |
Treating the license like a one-time build after launch. |
| General Administrative Expenses |
Fixed |
Include $500 per month as fixed overhead in the break-even base. |
Grouping admin with variable selling costs and overstating contribution margin. |