| Professional Software Subscriptions |
Fixed |
Include $2,500/month in fixed overhead from Month 1 through Month 60. |
Treating core tools as usage-only spend. |
| Virtual Office and Remote Stipends |
Fixed |
Include $1,800/month in monthly overhead, regardless of customer count. |
Moving remote stipends into variable delivery costs. |
| Marketing Content and SEO Support |
Fixed |
Include $3,500/month as recurring overhead, separate from the annual marketing budget. |
Double-counting it inside customer acquisition cost. |
| Cloud Infrastructure and Data Storage |
Variable |
Model as 14.0% of revenue in the first year, declining to 10.0% by Year 5. |
Using one flat monthly hosting number. |
| Third-Party Data Enrichment Fees |
Variable |
Model as 8.0% of revenue in the first year, falling to 6.0% by Year 5. |
Ignoring data costs as customer usage grows. |
| Payment Processing and Platform Fees |
Variable |
Apply 3.5% of revenue across all forecast years. |
Forgetting payment fees in gross margin. |
| Onboarding and Implementation Labor |
Semi-variable |
Apply 4.5% of revenue in the first year, stepping down to 2.5% by Year 5 as delivery improves. |
Treating every new client as equally expensive forever. |
| Customer Success Manager |
Semi-fixed |
Add staffing in steps; the first role starts Month 6 at $75,000 annually, or about $6,250/month. |
Spreading the salary evenly from Month 1. |