Gas Station, C-Store & Travel Center SBA 7(a) buy-vs-build cash-flow calculator
Stress-test building a gas station, c-store & travel center from scratch against acquiring an existing cash-flowing resale using SBA 7(a) financing. Adjust startup CapEx, revenue, owner SDE margin, acquisition multiple, and loan terms to compare Year-1 ramp-up cash flow, Debt Service Coverage Ratio (DSCR), and 3-year cumulative owner take-home.
SBA 7(a) underwriting & payback takeaway:
At $4,350,000 revenue and 8% SDE margin ($348,000/yr pre-debt cash flow), buying an existing gas station, c-store & travel center at 4.3× SDE ($1,496,400) generates $142,045/yr from Day 1 (1.69× DSCR), giving an immediate $180,389 Year-1 cash-flow advantage over building from scratch during a 10-month ramp-up. Once ramped in Year 2+, building from scratch ($700,000 CapEx) nets $251,656/yr (3.61× DSCR).
Frequently asked questions about starting or buying a gas station, c-store & travel center
How much does it cost to start a gas station, c-store & travel center?
Starting an independent gas station, c-store & travel center typically requires $330,000–$1,070,000 (SBA 7(a) acquisition down payment or leasehold jobbership on an existing 4–8 MPD canopy + 2,500–4,500 sq ft C-store). The largest line-item startup expenses are Station Acquisition Down Payment (SBA 7a 10%–20%) or Leasehold Goodwill ($150,000–$550,000), Opening Fuel Tank Drop & Inside C-Store Inventory (At Cost) ($65,000–$160,000), Inside Walk-In Beer Cave, Cooler Doors, Hot-Food Roller Grill & Coffee Bar ($40,000–$130,000). Founders should budget for both initial buildout/equipment CapEx and 6–14 months of working capital runway.
How much do gas station, c-store & travel center owners make and what is a healthy profit margin?
Established gas station, c-store & travel center operators generate $2,200,000–$6,500,000 in annual gross revenue (Motor fuel sales ($1.5M–$4.5M at $0.18–$0.38/gal rack-to-retail margin) + inside C-store sales ($700K–$2M at 32%–38% margin)) with an owner cash flow of 5%–11% SDE margin (Percentage SDE looks low because fuel pass-through inflates gross revenue; dollar SDE typically runs $160,000–$480,000/yr). Key operating ratios include Blended COGS (Motor Fuel Wholesale Rack + Inside C-Store Inventory): 82%–88% of revenue; Cashier & Attendant Payroll: 4%–7% of revenue; Credit Card Merchant Processing Fees (Forecourt + Inside): 1.8%–2.6% of revenue. Remember that gross revenue is top-line sales before payroll, COGS, and occupancy—not net owner take-home pay.
How is a gas station, c-store & travel center valued when buying or selling an existing business?
Operating gas station, c-store & travel center resales typically trade at 3.2x–5.5x SDE (Business-only leases trade at 2.8x–3.8x SDE; fee-simple stations with real estate trade at 5.0x–7.5x EBITDA), translating to typical acquisition prices of 3.2x–5.5x SDE ($352,000–$3,933,000). Key buyer due-diligence priorities: Require a Phase I (and if warranted Phase II) Environmental Site Assessment and inspect UST age (double-walled fiberglass vs. single-wall steel). Review 3 years of Veeder-Root Automatic Tank Gauge (ATG) pass/fail leak tests and state UST inspection logs.
Is it better to start an independent gas station, c-store & travel center or buy a franchise?
An independent gas station, c-store & travel center costs $330,000–$1,070,000 to launch and pays 0% ongoing royalties, whereas comparable franchise systems (7-Eleven, Circle K) charge Branded fuel jobber supply agreement + C-store franchise (e.g., 7-Eleven / Circle K / ARCO ampm). Franchising provides brand playbooks and vendor programs, while independent ownership preserves full margin control and exit flexibility.