| Commercial Rent |
Fixed |
Include $3,000 per month in fixed overhead from Month 1 through Month 60. |
Burying lease risk inside higher sales goals. |
| Store Manager payroll |
Fixed |
Include the $55,000 annual salary as about $4,583 per month of base coverage. |
Treating core store leadership as optional labor. |
| Full-time Retail Staff |
Fixed |
Include Year 1 salary of $35,000 as about $2,917 per month before sales upside. |
Waiting to price labor until after opening. |
| Part-time Retail Staff |
Semi-variable |
Start with Year 1 0.5 FTE, about $833 per month, then flex hours against weekend traffic. |
Overstaffing Monday through Wednesday when visits are lowest. |
| Wholesale Vinyl Purchase |
Variable |
Apply 10.0% of revenue in the first year, declining to 8.0% by Year 5. |
Classifying inventory buys as fixed overhead. |
| Payment Processing Fees |
Variable |
Apply 2.5% of revenue in Year 1, then step down to 2.1% by Year 5. |
Ignoring card-heavy checkout behavior. |
| Marketing & Promotion |
Variable |
Apply 5.0% of revenue in Year 1, falling to 3.0% by Year 5. |
Assuming launch traffic is free. |
| Utilities |
Semi-variable |
Start with the $400 monthly base, then watch event nights and longer hours. |
Letting in-store events hide higher usage. |