N · thread
Payments, billing & monetization mechanics
Where the money mechanics live: payment providers vs. store IAP, entitlements, receipts, refunds, taxes, and the billing plumbing each monetization model demands.
20 decision topics in this thread — every topic gives a recommended default, the reasoning, and what flips it. Titles and dates below are free; the verdicts and full topics are the paid masterclass (a few showcase verdicts are shown in full).
| ID | Topic | Verdict | Verified |
|---|---|---|---|
| PAY-001 | Payment-method coverage$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-002 | PCI-DSS scope minimization | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-003 | Payment-processor selection$model | There are two co-defaults, split by where the money is and how much ops you can carry. | 2026-07-02 |
| PAY-004 | Store billing vs. direct billing & external links$model | e9f6e; verdict in the full masterclass | 2026-07-02 |
| PAY-005 | Subscription billing state machine$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-006 | Trials & introductory offers$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-007 | Proration, upgrades & plan changes$model | e9f6e; verdict in the full masterclass | 2026-06-29 |
| PAY-008 | Server-side receipt validation & restore purchases$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-009 | Store-to-server notifications & idempotent webhooks$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-010 | SCA / 3-D Secure & fraud screening$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-011 | Dunning & involuntary-churn recovery$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-012 | Refunds, disputes & chargeback management$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-013 | Invoicing & receipts$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-014 | Sales tax / VAT / GST calculation & remittance$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-015 | Revenue recognition, reconciliation & subscription analytics$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-016 | Entitlement management & cross-device sync[A] $model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-017 | Marketplace payouts, KYC & escrow$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-018 | In-app advertising & ad mediation$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-019 | Billing-support & compliant cancellation$model | e9f6e; verdict in the full masterclass | 2026-06-26 |
| PAY-020 | Currency & price localization, price-change migration$model | e9f6e; verdict in the full masterclass | 2026-07-02 |
Each topic behind these titles is a full worked decision: what it is, the recommended default, why, what flips it, how to execute it with your coding agent — cited and dated.
Read a full topic free →Launching soon — read a free chapter