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Unit economics need volume, costs, and fees.
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Fixed costs$73.3K/mo
Payroll plus overhead
Contribution margin80.5%
After variable costs
Break-even revenue$91.1K/mo
Monthly target
Break-even timingMonth 1
Launch month
Break-even calculator
Test how monthly sales, direct costs, and overhead move break-even for an RV dealership.
Money available to cover fixed costs$1,368,983
$1,700,600 revenue - $331,617 variable expenses
Margin ratio
80%
Covers fixed costs
Yes
Break-even chart Revenue Total costs
Which RV dealership expenses are fixed, and which move with sales?
Cost classification
Break-even is only reliable when inventory-linked costs stay variable and payroll stays in fixed overhead. In the first year, fixed wages alone add $45,000 per month before any unit is sold.
Expense
Cost
Break-Even Treatment
Common Mistake
Facility Lease
Fixed
Include $15,000 per month in the monthly break-even base from Month 1 through Month 60.
Spreading rent across units sold and hiding the real monthly hurdle.
Year 1 Staffing Wages
Fixed
Include $45,000 per month based on first-year salaries and planned full-time equivalents.
Excluding payroll from break-even fixed costs.
Inventory Acquisition Cost
Variable
Apply 17.0% against sales volume because it moves with new and used unit revenue.
Treating inventory-linked expense like fixed overhead.
Sales Commissions
Variable
Apply 2.0% to sales volume so commission expense rises only when sales rise.
Budgeting commissions as a flat monthly line.
Finance and Insurance Commissions
Variable
Apply 0.5% to contract-driven revenue tied to finance and insurance activity.
Ignoring commissions when contract attach rates improve.
Utilities
Semi-variable
Use the $2,500 monthly base, then flag upside risk if traffic, service work, or seasonality lifts usage.
Assuming the base plan covers peak-season usage.
Sales Associate Staffing Additions
Semi-fixed
Model staff in steps as planned headcount rises from 2.0 in the first year to 3.0 in the second year.
Scaling labor smoothly instead of adding real people in chunks.
Marketing and Branding
Semi-variable
Start with the $4,000 monthly base, then separate any seasonal campaign spend above plan.
Calling all marketing fixed when promotions rise with selling season.
How does break-even change as this RV dealership moves from lean to base to full scale?
Scenario table
As unit volume rises, fixed overhead is spread across more gross profit, so each step up in the model widens the cushion over break-even. Floorplan financing is excluded, so real cash pressure will be higher than this table shows.
Planning assumptions only; results are not guaranteed, and floorplan financing is excluded.
Scenario
Monthly Revenue
Variable Costs
Fixed Costs
CM Ratio
Operating Profit
Break-Even Signal
Lean launch setup
$951.8k
$185.6k
$73.3k
80.5%
$8.23M
Monthly revenue is about 10x the $91.1k break-even line.
Base scaled setup
$1.70M
$331.6k
$85.4k
80.5%
$15.25M
Monthly revenue is about 16x the $106.1k break-even line.
Full mature setup
$2.90M
$565.1k
$95.0k
80.5%
$26.62M
Monthly revenue is about 25x the $118.0k break-even line.
What breaks the break-even plan for this RV dealership?
Stress test
The base plan has a wide cushion: $951,833 of monthly revenue sits about $860,777 above the $91,056 break-even point. The real risk is a mix of slower turns, discounting, and any creep in overhead or margins.
Stress Case
Changed Assumption
Break-Even Revenue
Revenue Gap
Risk Signal
Current plan
No change.
$91,056
$860,777 cushion
Strong cushion, but floorplan carry is not modeled.
Revenue shortfall
Monthly revenue falls 10% to $856,650.
$91,056
$765,594 cushion
Slower unit turns cut the cushion fast.
Fixed-cost increase
Monthly overhead rises by $10,000.
$103,479
$848,354 cushion
More lease or operating overhead pushes break-even up.
Margin pressure
Contribution margin drops 1 point.
$92,201
$859,632 cushion
Discounting or fee pressure moves break-even almost one-for-one.
The plan still clears break-even, but the cushion narrows fast.
Is the RV dealership ready to sign the lease before counting on Month 1 break-even?
Founder checklist
Do not assume Month 1 break-even until the lease, lot access, inventory, staffing, and finance workflow are live. The model only works if you can fund the $415K launch capex, hold the $858K cash floor, and start with enough units and leads to match Year 1.
1Lease Load$73.3K/mo
Verify zoning and lot access before you sign the $15,000 lease, because the full monthly fixed load is about $73.3K once payroll and overhead start.
2Unit Margin81% CM
Verify 17% inventory cost, 2% sales commissions, and 0.5% F&I commissions still leave enough room after fixed costs, or break-even will move out fast.
3Supply Line170 units
Verify you can source 100 new RVs and 70 used RVs in Year 1, because demand only matters if the right stock is on the lot when buyers show up.
4Cash Buffer$858K
Verify you can fund the $415K launch capex and still keep the $858K minimum cash buffer, because the opening month is cash-heavy even if sales start fast.
5Core Team7.5 FTE
Verify the Year 1 team is in place at 7.5 FTE, including sales, F&I, service, admin, and half-time marketing, or work will pile up and slow delivery.
6Deal Flow136 contracts
Verify title and registration flow, F&I processing for 136 contracts, $4K monthly marketing, and service bay readiness, because deals only count if you can close and support them.
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