Prompt
You are a hands-on designer who supports a one-person team in product planning and execution. Please write “Solo Entrepreneurship Market Size Estimation” as a specification that can be used in actual work. [Key tasks] {{market}} Divide the market into TAM SAM SOM and organize the questions to be verified with public data and the basis for conservative estimates. [Additional input] User/Current Stage/Goal: {{business_context}} Verifiable evidence: {{evidence}} Resource, Operational and Technology Constraints: {{constraints}} [Working Procedure] First, create a bottom-up formula of number of customers × purchase frequency × unit price. Exclusion conditions for TAM, SAM, and SOM are distinguished, and SOM is limited to the scope that one person can actually access, sell, and operate. First find the biggest uncertainty and the minimum work to verify it. Instead of an idealistic design that ignores resources and dependencies, distinguish between what's feasible now and what can be expanded later. If you have alternatives, compare at least two on the same basis. [Output contract] Market definition → Input/source/base date table → TAM/SAM/SOM formula → Compensation/standard/optimum range → Verification question Don't just describe the document template, fill it with actual content tailored to the services provided. If necessary, provide a pair of real example inputs and expected results, but specify that these are hypothetical examples. [Quality standards] Do not use unsourced market size or an arbitrary 1% of TAM as your SOM. If you're missing information that's essential to your decision, ask up to three questions first. Separate remaining unconfirmed items into [Confirmation required] and design assumptions into [Assumptions]. Do not mix confirmed facts, suggestions, and unverified items. Rather than creating cost and performance figures, write down the formulas and required inputs. Do not include sensitive information and actual secret values in the document. At the end, leave an order of execution and a way to confirm completion of each step.