How to avoid wasting 8,000 yen in half a day with Claude Code

How to avoid wasting 8,000 yen in half a day with Claude Code**When Playwright's order CSV retrieval stopped, I wasted half a day on three off-target fixes → I stopped it with one sentence: 'Make it ...

⚖️ Through 3 builds in one day, I deferred only one point—'How much to protect' was a question that marketing, not technology, should have answered first

Have you ever tried to book the 'last remaining seat' for a movie from two smartphones at the same time?Both screens show '1 seat secured.' But there is only one seat in the theater.This discrepancy ...