| Store Lease |
Fixed |
Use $4,500 per month in fixed overhead from Month 1 through Month 60. |
Spreading rent across units and missing the monthly cash floor. |
| Utilities Electricity & Water |
Semi-variable |
Start with the $1,200 monthly bill, then track freezer load as visitor volume and inventory depth rise. |
Treating freezer power as flat when doors open more often. |
| Store Manager |
Fixed |
Use $5,000 per month based on the $60,000 annual salary at 1.0 FTE. |
Calling manager pay variable just because sales are seasonal. |
| Sales Associate Part-time |
Semi-fixed |
Use about $833 per month in the first year from 0.5 FTE on a $20,000 annual role. |
Hiring full-time before traffic proves out. |
| Wholesale Inventory Purchase |
Variable |
Model at 14.0% of sales in the first year, stepping down to 12.0% by the fifth year. |
Using average margin without tying inventory to actual sales mix. |
| Packaging Supplies |
Variable |
Model at 1.0% of sales across all five years. |
Leaving packaging out because each bag or label feels small. |
| Payment Processing Fees |
Variable |
Model at 2.5% of sales in the first year, easing to 2.1% by the fifth year. |
Ignoring card fees when most checkout volume runs through payments. |
| Sales-Driven Promotions |
Variable |
Model at 2.0% of sales in the first year, declining to 1.6% by the fifth year. |
Treating discounts as marketing overhead instead of sales-linked margin drag. |