Claude Code is Claude with hands, it works in your files, not in a chat tab. Ten minutes gets it installed and talking. You need a paid plan (Pro is the floor); the install is one command. This is the tool you'll build your listing and follow-up helpers with.
Dated facts in this lesson: Claude Pro is $20 a month billed monthly, or $17 a month billed annually (researched Oct 6, 2026, not yet confirmed by a person, recheck by Dec 15, 2026).
Do this
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Share what happened
Paste what your terminal shows: the Claude Code header (model, folder) plus its answer to your first question.