# Duplicate Purchase

> Customer accidentally purchased the same course twice or purchased a duplicate license.

- Skill: `majiayu000/duplicate-purchase-2` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/duplicate-purchase-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/duplicate-purchase-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/majiayu000/duplicate-purchase-2

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# Duplicate Purchase

## Response Patterns (from samples)

Common openings:
- "Hi,"
- "Hello,"
- "Hey,"

Common core lines:
- "It may take 5-10 business days for the refunded amount to show up in your account, depending on how quickly it's processed by your financial institution."
- "[EMAIL]"
- "Best,"

Common closings:
- "It may take 5-10 business days for the refunded amount to show up in your account, depending on how quickly it's processed by your financial institution."
- "Best,"
- "Let me know if you have any issues requesting login links using that email address."

## Phrases That Work (4-gram frequency)

- "let me know if" — 78 (33.3%)
- "me know if you" — 56 (23.9%)
- "5 10 business days" — 53 (22.6%)
- "if you have any" — 51 (21.8%)
- "take 5 10 business" — 51 (21.8%)
- "it may take 5" — 49 (20.9%)
- "may take 5 10" — 49 (20.9%)
- "10 business days for" — 49 (20.9%)
- "business days for the" — 49 (20.9%)
- "days for the refunded" — 49 (20.9%)

## Tone Guidance (observed)

- Openings trend toward: "Hi,"
- Closings often include: "It may take 5-10 business days for the refunded amount to show up in your account, depending on how quickly it's processed by your financial institution."

## What NOT To Do

- Don't introduce policy details that are not present in the verified response lines above.
- Don't paraphrase or reframe the customer's question in a way that changes meaning.
- Don't add refund/discount promises unless they appear in the extracted responses for this topic.

## Validation

Draft must:
- [ ] Include at least one of the required phrases from the validation block
- [ ] Stay consistent with the observed response patterns above