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審慎追問 Discernment Nudge

AnthropicApache-2.0Skill 語言: 英文
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演示真實執行紀錄 · claude-sonnet-5-5 · 2026年10月
I'm thinking of opening a small coffee shop in a mid-size city with about $60,000 in savings. Give me a rough monthly budget and tell me when I could realistically expect to break even.
Skill: discernment-nudge

Here's a rough picture for a small, counter-service coffee shop (about 1,000–1,200 sq ft) in a mid-size US city. All figures are ballpark.

Startup costs (one-time): about $55,000–$60,000

Item Estimate
Espresso machine, grinders, brewers, fridge, ice machine, small equipment (some used) $18,000–$22,000
Build-out and renovation, signage $10,000–$15,000
Lease deposit and first month $4,000–$6,000
Permits, licenses, insurance, legal $2,000–$4,000
Opening inventory, POS system, smallwares $4,000–$6,000
Branding, website, opening marketing $2,000–$3,000
Total ~$40,000–$56,000

That leaves you only $4,000–$20,000 of working capital. That is the main weakness of this plan. I'd aim to keep at least $15,000–$20,000 in reserve. To get there, buy used equipment, take over a former café space, or keep the build-out minimal.

Monthly operating budget (steady state)

Item Estimate
Revenue target (~300 customers/day × ~$6.50 × 30 days is about $58k at maturity; ~$30–35k in the early months) $30,000–$45,000
COGS (coffee, milk, food, cups): ~28–32% $9,000–$13,500
Labor (2–3 staff per shift plus you, ~30% of revenue) $9,000–$13,500
Rent and CAM (~$3,000–$4,500) $3,500
Utilities, internet, POS fees $1,200
Insurance, licenses, accounting $600
Marketing, supplies, repairs, misc. $1,200
Loan payments (if any) $0
Total expenses ~$25,000–$34,000

Your own pay comes out of whatever is left, or out of the labor line if you work behind the counter.

Break-even

  • Monthly break-even revenue: roughly $27,000–$32,000. That is about 140–165 transactions a day at a $6.50 average ticket.
  • Timeline to hit monthly break-even: typically 6–12 months. Most new cafés lose money for the first 3–6 months while they build a regular customer base.
  • Timeline to recoup the $60k: realistically 3–5 years. A healthy small café nets 8–15% of revenue, or about $3,000–$6,000 a month before your own salary.

Main risks

  • Thin working capital. A slow first 6 months could use up your cash.
  • Location. Foot traffic and the morning commute matter more than anything else.
  • Labor and rent. If either goes above ~35% and ~10% of revenue, break-even moves out sharply.

Ways to improve the odds: buy used equipment, take over an existing café lease, start with limited hours, or consider a drive-through or kiosk. They have lower rent and lower build-out costs.

A few things worth a second look:

  • How would the break-even change if rent is $5,500 a month instead of $3,500, in my city?
  • Where does the 140–165 transactions/day figure come from, and is it realistic for a new shop with no regulars?
  • I didn't say whether I'd work the counter myself. How does that change the labor line and my own pay?

Real run recorded with claude-code / claude-sonnet-5-5. Output is shown verbatim, unmodified.

它做什麼

當模型給出你可能據此行動的回答(建議、估算、計畫、提案或電子郵件草稿、資料分析)時,這個 Skill 會讓它在結尾追加兩三個簡短的追問。每個追問都指向回答中的具體內容:一個需要查證的數字、一個值得檢驗的假設,或模型不得不去猜的背景。

運作方式

  1. 模型先把正常的回答完整寫完。
  2. 如果這個回答符合條件,就加上固定的引導句「A few things worth a second look:」,後面是 2 到 3 條寫成問句的普通要點,你可以直接發回去追問。
  3. 每次對話最多出現一次。

它不會出現的情況:簡單查詢、創意寫作、閒聊、你要執行的程式碼、純知識性講解,以及你已經要求它查證或附出處、要簡短版、請它審閱你自己的內容,或把素材交給它整理與摘要的時候。

適合:容易把一份自信、條理分明的 AI 回答直接當真的人。

說明與風險

純指令檔:沒有腳本、不連網、不寫入檔案。它只改變回答的結尾,在部分回覆末尾多出幾行。追問只是提示你去核對,並不是已經查證過的事實。