Finance category
Mortgage, loan, investing, tax, and money calculators.
WiFi Bulk Deal Margin Calculator
Bulk WiFi has margin. This calculator sizes.
Monthly margin
$4,600
Full-term value
$371,400
Per-door margin
$23
How the math works
Per-door = premium − bulk cost. Monthly = units × per-door. Term value = monthly × months − install.
200 units × $23/door = $4,600/month. Over 7 years: $386k − $15k install = $371k value. Long contracts compound margin — but lock you in on tech that may lag.
How to Use
- Enter unit count.
- Enter bulk cost per unit/month.
- Enter tenant rent premium.
- Enter contract term months.
- Enter install cost.
- Read monthly margin and NPV.
Frequently Asked Questions
Typical structures?
Bulk internet: $25-55/door/month. Offered to tenant for $50-90/month. Margin $25-35/door. 5-10 year contract with ISP. Install sometimes free (if multi-year commitment); otherwise $10-50k buildout. Fiber tends toward bulk deals.
Tenant quality?
Institutional quality: gigabit fiber, $65-90/month retail offered for $40-50 bulk. Class B: 500 Mbps at $40-60 bulk → $70-95 retail. Class C: may not pencil. Bandwidth tiers matter — high-tier pricing gap widens margin.
Contract risks?
Term length (lock-in). Under-performing service → tenant complaints. Technology obsolescence (fiber replacing copper). Exclusivity clauses (ISP insists no competitor). Regulatory limits on take-rate (some states require opt-out).
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