How to test a coffee shop location by buying window Startup Costs | Blank working worksheet | September 6, 2026 https://startup-costs.com/guides/coffee-location/ Result to produce: A buying-window transaction test and an evidence record for comparing candidate locations. Business and format: Address or service area: Prepared by: Date: BEFORE YOU START Record the exact frontage, observation dates, window duration, direction of travel, access and trading conditions. Keep customer counts and transactions distinct: one transaction may serve more than one person. CALCULATION INPUTS Relevant passers-by observed in the window (count): Assumed share who buy (%): Length of the buying window (minutes): Independent service lanes at the bottleneck (count): Bottleneck lane-minutes per transaction (minutes): Average transaction value (USD): Variable cost per transaction (USD): Use the guide calculator for formulas and results. Enter your own values and retain the evidence for each assumption. DECISION RECORD 1. Observation window Address, date, start, end, weather and unusual conditions Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: 2. Relevant movement Count, direction, access and counting method Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: 3. Purchase evidence Offer, actual paid test, price, sample and transfer limits Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: 4. Service test Bottleneck, lanes, timing, queue and lost orders Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: 5. Unit economics Ticket, variable cost and contribution per window Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: 6. Site comparison Comparable windows, total occupancy cost and unresolved facts Finding or value: Evidence, scope and date: Status (Unverified / Assumed / Supported / Needs review): Next action, person and date: DECISION RULES If: The case depends on an untested purchase percentage Action: Collect a comparable paid test before treating the forecast as supported demand. If: Peak demand exceeds measured service capacity Action: Test a feasible service change and its costs before assuming extra transactions. If: A site works only in an exceptional observation window Action: Repeat ordinary trading periods and rebuild the daily case. YOUR DECISION Next commitment: Conditions still to resolve: Decision and reason: Next review date: Sources and background: SBA: planning a business: https://www.sba.gov/counseling/plan-your-business/ This is a blank personal planning worksheet. Its completion is not an approval, a market estimate or a completed state research record. The examples and calculator defaults on the guide are authored illustrations. Keep your own evidence and limitations with any result. Financial information supports planning and education and is not personalized financial, investment, tax or legal advice. Results do not guarantee costs, revenue, profit or financing.