Burn Rate & Runway · E-commerce
Burn Rate & Runway for E-commerce.
How many months until you need to raise again.
E-commerce engineered for unit economics.
Finance & Strategy · E-commerce
Why e-commerce operators use the burn rate & runway.
Calculate net burn, gross burn, and months of runway from cash on hand, monthly costs, and revenue. The single most important number for a venture-backed operator.
E-commerce has moved from a margin-rich category to one where unit economics decide who survives. SAZ helps DTC, B2B e-com, and marketplaces sharpen positioning, fix margins, and build the demand and retention programs that compound.
Benchmarks
What good looks like — typical ranges to compare against.
< 6 mo
Critical — fundraise now
6–12 mo
Tight — start fundraising
12–18 mo
Healthy — focus on milestones
> 18 mo
Comfortable — invest in growth
The formula
How burn rate & runway is calculated.
Runway = Cash on hand ÷ Net burn (Costs − Revenue)Industry context
What changes when burn rate & runway is applied to e-commerce.
Unit economics, CAC, and LTV
Site, funnel, and merchandising
Lifecycle and retention
Fulfillment and ops
Run the numbers
Open the burn rate & runway.
Free, instant, no signup.
Burn Rate & Runway · E-commerce
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