| Office Rent |
Fixed |
Include $8,000/month in fixed overhead for the full Month 1 to Month 60 planning range. |
Flexing rent with client count instead of treating it as committed space. |
| Utilities & Internet |
Fixed |
Include $1,200/month in fixed overhead unless the operating footprint changes. |
Linking basic connectivity spend to revenue when the model treats it as monthly overhead. |
| Accounting & Legal Retainer |
Fixed |
Include $1,500/month in fixed overhead before calculating required gross profit. |
Dropping retainers below EBITDA because they feel administrative. |
| Year 1 Staffed Payroll and On-Call Coverage |
Semi-fixed |
Use $48,125/month as committed capacity, then add hiring steps when service load outgrows the team. |
Treating committed engineers as Variable when payroll is already locked in. |
| Cloud Infrastructure & Hosting Fees |
Variable |
Apply 12.0% of revenue in the first year, falling to 9.0% by the mature year. |
Modeling hosting as a flat bill while protected workloads grow with sales. |
| Software Licensing for DR Tools |
Variable |
Apply 7.0% of revenue in the first year, tapering to 5.0% by Year 5. |
Burying usage-based recovery tools inside fixed software subscriptions. |
| Sales Commissions & Bonuses |
Variable |
Apply 6.0% of revenue in the first year, declining to 4.0% by Year 5. |
Putting commissions in fixed payroll and overstating contribution margin. |
| Emergency Travel, Subcontracted Recovery Labor, and Failover Testing Overages |
Semi-variable |
Keep a base allowance in overhead, then add incident-linked and test-overage spend as usage rises. |
Treating rare recovery surges as fully fixed monthly spend. |