Water Delivery Break-Even Analysis: $186K Monthly Revenue

Fixed costs $106.6K/mo Year 1 base

Contribution margin 57.2% After variable costs

Break-even revenue $186.4K/mo Monthly target

Break-even timing Month 18 Model break point

Break-even calculator

Test monthly revenue, direct costs, and fixed overhead against the break-even point.

Lean Base Full

Monthly revenue Revenue sets the margin pool that has to cover fixed costs. $ Low sales High sales Variable expenses These are delivery, processing, and support costs that rise with sales. $ Low costs High costs

Money available to cover fixed costs $128,000 $220,000 revenue - $92,000 variable expenses

Margin ratio

58%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly overhead the margin has to cover. $ Lean setup Bigger setup

Break-even chart Revenue Total costs

Which water delivery expenses are fixed, variable, or step up as routes grow?

Cost classification

Your break-even is only as clean as the cost split. In the first operating year, fixed overhead, wages, and marketing total about $106,633/month, so route labor and delivery fees must land in the right bucket.

Expense	Cost	Break-Even Treatment	Common Mistake
Warehouse rent	Fixed	Include $12,000/month in fixed overhead for the full planning range.	Spreading rent per bottle and making unit margin look worse.
Office rent	Fixed	Include $6,500/month as recurring overhead before break-even revenue.	Leaving office space out because it is not tied to a route.
Technology platform subscription	Fixed	Include $3,200/month as a base operating charge.	Treating the subscription like a per-order processing fee.
Water product wholesale	Variable	Model as 18.0% of revenue in the first year, falling to 16.0% by the mature year.	Using a flat purchase budget instead of linking it to sales.
Delivery and logistics	Variable	Model as 12.0% of revenue in the first year, improving to 10.0% by the mature year.	Treating all delivery overhead as fixed and missing route density risk.
Payment processing fees	Variable	Model as 2.8% of revenue in the first year, easing to 2.4% by the mature year.	Forgetting that card fees rise every time billed revenue rises.
Route labor	Semi-fixed	Include delivery drivers, warehouse staff, customer service, and operations management in wage overhead, then add headcount in steps as routes grow.	Treating route labor as free because the founder drives.
Customer acquisition marketing	Semi-variable	Include the first-year marketing budget at $15,000/month, and test new customer volume against $45 CAC.	Counting CAC in payback but excluding the monthly spend from break-even.

How does break-even change from a lean water delivery route to a full buildout?

Scenario table

As you add vehicles, warehouse staff, and paid acquisition, fixed costs rise faster than margin. So break-even revenue moves from about $186k in the lean case to about $515k in the full buildout.

Planning assumptions only; actual break-even can shift with route density, customer mix, and churn.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean route	$186,421	$79,788	$106,633	57.2%	$0	Keep the route light; break-even is tight.
Base route	$327,800	$128,500	$199,300	60.8%	$0	Margin improves, but payroll still lifts the bar.
Full route	$514,800	$183,250	$331,550	64.4%	$0	Higher margin helps, but the fixed load is heavy.

How fast does a small revenue or cost swing push this water delivery plan below break-even?

Stress test

The base plan is basically at break-even, so small hits to revenue, route cost, or fixed overhead push it into loss. The main warning signs are longer routes, fuel pressure, bottle loss, driver overtime, and a weaker office-account mix.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$186,421	$0 gap	The base plan has no cushion.
Revenue shortfall	Revenue runs 10% below plan, to about $167,779 a month.	$186,421	$18,642 gap	That turns into about $10,663 in monthly loss.
Fixed cost pressure	Fixed costs rise 10% to about $117,296 a month.	$205,099	$18,678 gap	More rent, fleet, or headcount lifts the hurdle fast.
Margin pressure	Variable expenses rise 5 points to 47.8% of revenue.	$204,261	$17,840 gap	Longer routes, fuel, bottle loss, or overtime squeeze margin.
Combined pressure	Revenue drops 10%, fixed costs rise 10%, and variable expenses rise 5 points.	$224,802	$57,023 gap	At that mix, the plan loses about $29,700 a month.

What should a water delivery founder verify before committing to warehouse space, vehicles, and hiring?

Founder checklist

Before you lock in warehouse rent, fleet spend, or hiring, verify that paid orders can fill dense routes at the $45 CAC and that the core plans still cover the fixed monthly load. If those two checks fail, the Month 18 break-even case is too thin.

1Paid demand$45 CAC

Verify that early orders are clustered enough to make each route efficient, not just cheap to acquire.

2Fixed load$91.6K/mo

Add warehouse rent, office rent, tech, insurance, utilities, professional help, supplies, vehicle maintenance, and year-one payroll before you sign.

3Margin check57.2% CM

Check that the $29.99, $49.99, $79.99, and $149.99 plans still leave 57.2% after product, packaging, testing, delivery, processing, and support.

4Launch staff3/2/2 FTE

Confirm the launch team can run with 3 drivers, 2 warehouse staff, and 2 customer service reps before overtime starts to creep in.

5Cash troughMonth 18

Keep enough cash to get through the modeled low point in Month 18, when minimum cash reaches -$494K.

6Plan mix45/35/15/8/5

Validate that first-year demand really spreads across Basic Purified, Family Spring, Premium Alkaline, Business Office, and add-ons in that mix.