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"Should I open this store?" (Pre-launch)
Use the Store Startup Viability Calculator to size real startup capital, find your daily minimum revenue, set a profit reverse-target, and estimate cash runway — before you commit a lease or savings.
Flagship Pillar · Store Viability
Store Viability 2026: Open Smart or Course-Correct
A plain-English framework for deciding whether a U.S. retail, cafe, or food business is worth opening — or whether your open store can actually keep running. Built around two free calculators and the hidden costs that decide most outcomes.
SBA-Aligned•Two Free Tools•No Sign-Up
Two Markets, Two Tools, One Suite
Store viability splits into a planning question and an operating question. Answer both with free calculators.
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"Can my store keep going?" (In-operation)
Use the Store Health Check to enter your actuals and get a sustainability verdict, break-even gap, profit reverse-target, cash runway, and a hidden-cost audit you can print.
Real Ranges That Shape Store Feasibility
Educational estimates from U.S. small-business research. Verify for your state, city, and lease.
| Factor | Typical Range | Why it matters |
|---|---|---|
| Card / payment processing | 1.5% – 3.5% of sales | Charged on gross revenue, every transaction — a direct hit to margin. |
| Employer payroll tax | FICA 7.65% + SUTA/FUTA/workers’ comp | On top of wages; real employer cost is typically +15–25% on payroll. |
| NNN lease load | Base rent + CAM + insurance + tax | "Rent" is usually understated; model full occupancy cost. |
| Inventory shrinkage | ~1% – 2% of inventory | Theft, damage, spoilage — invisible until a stock count. |
| Owner unpaid labor | ~38% of owners skip their wage | If you must draw a wage, it is a real cost the P&L must cover. |
| Small-business failure rate | ~20% yr 1; ~50% by yr 5 | Cash-flow and pricing — not demand — are the usual causes. Plan for them. |
Sources: U.S. Small Business Administration (business guides & break-even), IRS (employer payroll tax), and published U.S. retail failure-rate and payment-processing industry data. Figures are educational estimates only.
How to Run a Store Viability Check
Six steps that work for both planning and operating a store.
- Total true startup capital. One-time costs plus a 3+ month operating reserve — the number a banker will ask for.
- Build real monthly fixed cost. Rent + NNN, utilities, wages, employer payroll tax, your own draw, and amortized build-out.
- Set your variable cost ratio. COGS % plus payment processing % — everything that scales with each sale.
- Read your daily minimum revenue. If it feels unreachable for your location, rethink rent, price, or concept before committing.
- Stress-test with scenarios. Conservative / base / optimistic revenue shows whether the plan survives a slow start.
- Catch hidden costs. Card fees, employer tax, shrinkage, sales tax, permits — list them so nothing surprises you later.
Practical tip: A healthy small retailer often keeps fixed cost under ~50% of revenue and nets a 5–15% margin. If your numbers land outside that, the calculator will show exactly what revenue is needed to fix it.
Nine Things That Sink Store Plans
1. Understating startup capital
Skipping the working-capital reserve is the #1 reason owners run out of cash in month two.
2. Forgetting employer payroll tax
Wages are not the full cost — FICA, SUTA, FUTA, and workers’ comp add 15–25%.
3. Treating base rent as occupancy
NNN leases add CAM, insurance, and tax on top. Model the full number.
4. Ignoring the owner’s wage
If you must pay yourself, include it. "Profitable without my salary" is not sustainable.
5. Spending collected sales tax
It is pass-through. A missed remittance creates penalties and a cash hole.
6. No daily minimum revenue target
Without a daily floor, you cannot tell whether a slow day is harmless or fatal.
7. Thin margin, no buffer
Under ~5% net margin, one slow month or cost spike wipes out profit.
8. Platform fees piling on
Selling via Etsy/Amazon/delivery adds 8–15% on top of card fees.
9. Build-out overruns
Renovation usually runs 10–20% over. Budget a contingency line.
Calculators That Power This Framework
Use the two flagship tools, then drill into the specifics with these free calculators.
Store Startup Viability Calculator
Capital, daily minimum revenue, break-even, profit reverse-target, and runway before you lease.
FlagshipStore Health Check
A live sustainability verdict, break-even gap, runway, and hidden-cost audit on your actuals.
FlagshipBreak-Even Calculator
The core break-even math in a single view.
FreeCash Flow Calculator
Project monthly cash flow and spot shortfall months.
FreeWorking Capital Calculator
Your short-term solvency check.
FreeEmployer Payroll Tax Calculator
See the true cost of staff including employer tax.
FreeStore Sales Forecast Calculator
Build revenue from traffic × capture × ticket; reverse to traffic needed.
StoreStore Ramp-Up & Cash Survival
Month-by-month cumulative cash; see break-even or cash-out month.
StoreNNN Lease Effective Rent
True rent from base + CAM + insurance + tax; sales/sqft needed.
StoreStore Build-Out Cost
Estimate renovation by $/SF with contingency and typical ranges.
StoreStore Staffing Planner
Size FTE and loaded labor cost; check labor % of revenue.
Store12-Month Store Cash Flow
Seasonal + growth cash projection; find the low-cash month.
StoreStore Industry Benchmarks
Sales/sqft, margins, labor, rent, survival rates — sourced.
DataStore Startup Cost by Type
Total opening-capital ranges by business type.
DataState-by-State Startup Factors
Sales tax, min wage, fees, licenses — with sources.
DataStore Insurance Cost Ranges
GL, BOP, property, workers’ comp — planning brackets.
DataPOS & Payment Fee Comparison
Square, Toast, Clover, Shopify, Stripe, Lightspeed fees.
DataStore KPI Benchmark Board
Healthy ranges and red lines for the metrics that matter.
DataGo Deeper
How Much Profit Can a Small Home Business Make Monthly
A look at realistic monthly margins for small U.S. businesses.
BenchmarksBasic Monthly Business Expenses for New Starters
Break down the essential monthly costs every new business faces.
CostsStart the Store Startup Viability Calculator
Run your own numbers now — free, private, no sign-up.
ToolFrequently Asked Questions
Short answers to the questions we hear most about store viability.
Your daily minimum revenue — the sales you must clear every day just to cover fixed costs. If that number is unrealistic for your location and foot traffic, the concept is at risk before you sign the lease. Our Startup Viability Calculator computes it from your real cost inputs.
One-time costs (build-out, first inventory, equipment, licenses, signage) PLUS a working-capital reserve of at least 3 months of operating cost. Most failed openings under-estimated by skipping the reserve. The calculator totals both.
Card processing (1.5–3.5% of sales), employer payroll tax on top of wages (FICA 7.65% plus SUTA/FUTA/workers’ comp), NNN lease load beyond base rent, inventory shrinkage (~1–2%), your own unpaid labor, sales-tax compliance, and platform/marketplace fees if you sell online.
Usually a hidden-cost leak or a timing gap: you are spending collected sales tax, ignoring employer payroll tax, or your fixed cost is too high a share of revenue. The Store Health Check maps these and shows your true net and cash runway.
Break-even is one input. The Store Viability Suite goes further: it sizes startup capital, folds build-out amortization and owner draw into monthly cost, reverse-solves profit targets, and estimates runway — for both the planning and operating stages.
Disclaimer: This page provides educational reference only. Failure rates, fee ranges, and tax figures are estimates that vary by state, city, lease, and year. This is not professional business, legal, or financial advice. Consult a qualified accountant, lender, or advisor before making decisions based on this information.