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GuideAI cost planning

Claude App Store Refunds Do Not Fix the Invoice Channel

Apple and Google bill mobile Claude subscriptions, so Anthropic cannot issue their invoices. Refund and cancellation are separate actions, and moving to web billing requires a channel-aware exit.

UpdateAI cost planning

Don't Order Sonnet 5 Off a Cancelled Calendar

Anthropic cancelled Sonnet 5's September 1 API price increase. Use the current $2/$10 list, correct stale forecasts, and verify third-party rate cards.

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