Break-Even Analysis For Construction Bid Estimating Software: $75K MRR

Fixed costs $9.0K/mo Base opex only

Contribution margin 83.5% After variable costs

Break-even revenue $10.8K/mo Needed each month

Break-even timing Month 2 Early model ramp

Break-even calculator

Use this to test monthly revenue, variable expenses, and fixed costs against break-even.

Lean Base Full

Monthly revenue Revenue is the top line that has to cover direct costs and overhead. $ Low sales High sales Variable expenses Direct costs that rise with revenue, like hosting, data, payment fees, and support. $ Low direct cost High direct cost

Money available to cover fixed costs $2,973,750 $3,483,417 revenue - $509,667 variable expenses

Margin ratio

85%

Covers fixed costs

Yes

Fixed monthly costs Monthly overhead the model has to cover, like wages, rent, software, and admin. $ Low overhead High overhead

Break-even chart Revenue Total costs

Which expenses are fixed and which move with sales for construction bid estimating software?

Cost classification

Break-even is reliable only when recurring fixed spend, revenue-linked fees, and staffing steps are split cleanly. Exclude the $103,000 one-time capital expense (capex) and setup spend, or Month 2 break-even will look worse than operating reality.

Expense	Cost	Break-Even Treatment	Common Mistake
Office Rent	Fixed	Use $3,500 per month across the planning range.	Scaling rent with revenue before a lease change.
General Business Software	Fixed	Use $1,500 per month as recurring overhead.	Counting it again inside product delivery fees.
Cloud Hosting and Infrastructure	Variable	Apply 7.0% of first-year revenue; it moves with usage.	Treating hosting as flat after launch.
Data Licensing Fees	Variable	Apply 5.0% of first-year revenue as sales scale.	Ignoring data fees in gross margin math.
Payment Processing Fees	Variable	Apply 3.0% of first-year revenue tied to paid subscriptions.	Modeling processing fees as a fixed admin line.
Customer Support Software	Semi-variable	Model at 1.5% of first-year revenue and review as accounts grow.	Treating support tools as only headcount-driven.
Senior Software Engineer Payroll	Semi-fixed	Add salary in FTE steps: 1.0 first year, then higher staffing bands.	Spreading new hires smoothly across every sale.
Customer Support Specialist Payroll	Semi-fixed	Add capacity in hiring steps, starting after the first year.	Adding support payroll before the staffing plan requires it.

How does break-even change from lean launch to full scale in construction bid estimating software?

Scenario table

Break-even climbs as payroll and marketing scale up, even though the margin stays strong. Lean launch carries the lightest monthly load, while the full setup needs the biggest sales cushion.

Planning case only; actual break-even will move with pricing, mix, and hiring timing.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean launch	$723,333	$119,367	$62,750	83.5%	$541,216	About $75k break-even, so launch risk is low.
Base growth	$3,483,417	$459,811	$115,667	86.8%	$2,907,939	About $133k break-even, so staffing starts to matter.
Full scale	$8,106,667	$875,520	$189,833	89.2%	$7,041,314	About $213k break-even, with the widest cushion.

What breaks this break-even plan if revenue softens or costs rise?

Stress test

Year 1 has a wide cushion: about $723,000 in average monthly revenue versus a $75,000 break-even level. The biggest break points are slower trial-to-paid conversion, higher paid acquisition, and support or cloud costs rising faster than subscription revenue.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$75,000	$648,000 cushion	Large opening-month cushion.
Revenue shortfall	Monthly revenue falls 10% from the Year 1 average.	$75,000	$576,000 cushion	The plan still clears break-even, but the cushion shrinks fast.
Fixed-cost pressure	Year 2 fixed costs rise to $85,667 as payroll and marketing scale.	$103,000	$620,000 cushion	Higher payroll and marketing push the breakeven line up.
Margin pressure	Variable expenses rise 20% from Year 1 levels.	$78,000	$645,000 cushion	Cloud and support inflation raise the revenue needed to break even.
Combined pressure	Year 2 fixed costs and Year 1 margin hit at once.	$103,000	$620,000 cushion	This is the clearest warning case if growth slows and spend rises.

What should the founder verify before adding payroll and marketing spend to this construction bid estimating software?

Founder checklist

Test the price, funnel, and cost base before you commit to hiring or scale. If the $49, $99, and $249 mix, the early conversion rates, and the fixed burn do not hold, break-even moves out fast.

1Pricing Mix$84 blend

Check that the $49 Solo, $99 Pro, and $249 Business mix holds in the field, because the weighted monthly price is about $84 and break-even lands near 895 active customers.

2Launch Demand4.0% / 20.0%

Do not scale the $150,000 Year 1 marketing budget until visitors convert at 4.0% to free trial and 20.0% from trial to paid.

3Fixed Burn$50.2K/mo

Your fixed load is about $50.2K a month from rent, software, insurance, legal, marketing tools, and base payroll, so keep office, tools, and sales hires flat until monthly recurring revenue (MRR) tops $75K.

4Unit Margin83.5% CM

Year 1 cloud and data cost of goods sold (COGS) run 12.0% of revenue, and total variable costs are 16.5%, so the business keeps an 83.5% contribution margin; approve extra infrastructure only if that COGS stays under 14.4%.

5Support Ramp0.0 FTE

Keep the Customer Support Specialist at 0.0 FTE in Year 1 if onboarding stays inside current capacity, and add the role only when setup work starts slowing activation.

6Cash Cushion$863K

The model shows break-even in Month 2 and payback in 2 months, so hold the $863K minimum cash reserve and keep the $103K one-time setup spend separate from operating break-even.