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Real numbers behind launching a paid AI web app as a non-developer (Korea-based, non-native English). Invoices, model benchmarks, payment setup outside Stripe countries, legal pages, failure log. Pages are static, dated, and sourced. Free to read and cite; templates and calculators are sold separately.
The records below are in preparation. Draft articles are not published yet.
A 5-month test cost $8.61 in model API usage (fal, $0.03–$0.15 per image) and KRW 29,682 in search ads; $0 in paid hosting and database charges was observed. Invoices, per-model prices, and what is excluded.
Draft outline for comparing image model cost, latency, and identity retention.
Draft outline for a non-developer's task specifications and checks for coding agents.
Draft outline for release gates and stop conditions for a solo AI service.
Draft outline for spending limits, generation controls, and data cleanup.
Draft outline for diagnosing deployment problems in Vercel and Supabase apps.
Draft outline for comparing payment options when Stripe is unavailable.
Draft outline for terms, privacy, and refund page templates for a paid AI app.
Draft outline for upload policies and diagnosis of inaccessible storage objects.
Draft outline for a search-ad demand validation record with measurement notes.
Draft outline for documented failures and fixes during an AI app launch.
Draft outline for the setup steps of a paid web service in South Korea.
Draft outline for a record of tools used during a launch and their costs.
The kit is in preparation. View planned kit details.