Go-Kart Rental Break-Even Analysis: $102K Monthly Revenue

Fixed costs $43.2K/mo Base overhead

Contribution margin 84% After variable spend

Break-even revenue $103.0K/mo Monthly target

Break-even timing Month 13 Model break-even

Break-even calculator

Test whether monthly revenue covers variable costs and the fixed cost base for a go-kart rental track.

Lean Base Full

Monthly revenue Revenue sets the pool that can cover direct costs and fixed overhead. $ Low sales High sales Variable expenses These are costs that rise with visits and sales. $ Low cost High cost

Money available to cover fixed costs $197,167 $227,667 revenue - $30,500 variable expenses

Margin ratio

87%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly cost base that margin must cover. $ Lean overhead Heavy overhead

Break-even chart Revenue Total costs

Which expenses are fixed and which move with sales in a go-kart rental business?

Cost classification

This model reaches break-even in Month 13, so cost labels matter. Keep monthly overhead, sales percentages, and usage stress separate, or the break-even target can look easier than it is.

Expense	Cost	Break-Even Treatment	Common Mistake
Facility Lease Rent	Fixed	Include $25,000 per month in base overhead from Month 1 through Month 60.	Treating rent as volume-sensitive when it does not change with race count in the model.
Property Insurance	Fixed	Include $3,500 per month as recurring overhead before calculating contribution margin.	Spreading insurance across visits and making each race look less profitable.
Software Subscriptions	Fixed	Include $1,000 per month as operating overhead needed to keep the facility running.	Leaving small monthly tools out because they feel minor; they still raise break-even.
Salaried Staffing	Semi-fixed	Model wages in headcount steps: about $43,333 per month in the first year and $49,583 in the second year.	Treating marshals and front-desk labor as fully fixed even as traffic requires more coverage.
Utilities Electricity	Semi-variable	Start with the $8,000 monthly base, then watch usage as race volume and operating hours rise.	Assuming power stays flat while more races stress charging, lighting, and facility systems.
General Maintenance	Semi-variable	Use the $2,000 monthly base, but review it against track wear and fleet usage.	Calling repairs fixed when higher race volume can push parts, service, and downtime higher.
Marketing & Promotions	Variable	Apply the model rate to revenue: 8.0% in the first year, declining to 4.0% by the fifth year.	Budgeting it as one flat amount and missing how paid demand scales with sales.
Payment Processing Fees	Variable	Apply 2.5% of revenue, so card fees rise directly with bookings and add-on sales.	Ignoring fees in contribution margin and overstating cash from each paid visit.

How does break-even change across lean, base, and full operating cases for a go-kart rental?

Scenario table

Break-even gets easier as the mix shifts from weekday traffic to weekend peaks, race packages, birthday parties, and private events. The lean case is just under break-even, the base case covers fixed costs, and the full case builds a real cash cushion.

Planning assumptions only; actual results will move with traffic, weather, pricing, and staffing.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean weekday traffic case	$98.3k	$15.7k	$85.5k	84.0%	-$2.9k	Below threshold; costs nearly cover revenue.
Base package and birthday case	$157.2k	$23.1k	$91.8k	85.3%	$42.2k	Above threshold; clear fixed-cost coverage.
Full mixed-demand case	$227.7k	$30.5k	$99.3k	86.6%	$98.0k	Growth-capacity case; strong cushion from higher traffic.

What breaks the break-even plan if bookings slip or costs rise?

Stress test

Year 1 starts at $98,333 a month versus $101,825 break-even, so the launch case is already short by about $3,500 a month. A 10% sales miss or a 10% cost bump pushes it into loss fast.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$101,825	$3,492 gap	Only a thin launch cushion.
Revenue shortfall	Year 1 revenue falls 10% to $88,500 a month.	$101,825	$13,325 gap	Weak private event or race volume erodes the cushion fast.
Fixed-cost increase	Fixed overhead rises 10% to $94,087 a month.	$112,000	$13,667 gap	Rent, insurance, or payroll creep pushes break-even higher.
Margin pressure	Variable expenses rise to 200% of plan.	$106,900	$8,567 gap	Repair, energy, or payment fee spikes squeeze the margin.
Combined pressure	Revenue falls 10%, fixed overhead rises 10%, and variable expenses rise to 200%.	$111,800	$23,300 gap	This is the fast path to a $23.3k monthly loss.

What should you verify before you sign the lease and buy the fleet?

Founder checklist

Treat this as a go or no-go check before you lock the lease or buy the karts. If pre-sales, bookings, and event leads do not point to at least $101,825 a month, the fixed-cost stack is too heavy for break-even.

1Launch demand$101.8K/mo

Verify pre-sales, group bookings, and event inquiries can support at least $101,825 a month before you commit capital, because that is the revenue level the model needs to clear break-even.

2Fixed load$85.5K/mo

Check the monthly fixed base of rent, utilities, insurance, maintenance, software, accounting, security, and wages, since about $85,533 a month sits in the business before variable costs.

3Margin84.0% CM

Keep Year 1 variable costs near 16% of revenue, so the business can hold about 84% contribution margin and turn sales into cash fast enough.

4Event book100 events

Check that you can land 100 private events in Year 1 at $1,500 each, because high-value event volume helps carry the build cost and fixed overhead.

5Staff plan$520K/yr

Staff to the actual schedule, not hope, and keep the head mechanic plus the $2,000 monthly maintenance plan in place, because Year 1 wages total $520,000.

6Cash cushion$1.35M / -$499K

Do not start buildout until you can fund the $1.35 million capex plan and absorb the projected Month 12 cash low of negative $499,000.