← Commerce courseCOMMERCE FROM ZERO · MODULE 22 · 8 min READ · FULL COURSE

Capstone

Follow One $12 Bottle Through Everything

About access

Buyers receive the course-start link after checkout. This lesson link is unlisted, not account-based access control; anyone with the direct link can open it.

Labels: [Sourced] checked against a source listed at the end. [General] standard industry knowledge. [Our view] opinion, labelled as such. [Illustrative] made-up numbers to teach an idea.

1. The story: the first scan, once more

On June 26, 1974, at a Marsh supermarket in Troy, Ohio, a pack of Wrigley's gum was the first item scanned with a UPC barcode (this is the standard retelling in the Module 1 sources). [Sourced: IBM history; HISTORY.com (see Module 1)] Everything in this course grew from that moment: a number on a product that lets every system tell it apart. This capstone follows one bottle through every module. [Our view]

2. The assignment

You run a small online-and-store water business. Using what you learned, trace one $12 bottle and decide how to make money on it.

3. The bottle's journey, module by module

  1. Identity (Module 1): the SKU and barcode.
  2. Where it sells (Module 2): store, online or both.
  3. Data (Module 3): item data, ASN.
  4. Forecast and plan (Modules 4, 5, 6): how many next month?
  5. Buying (Module 7B): supplier choice, landed cost.
  6. Replenishment and stock (Modules 9A, 9): reorder point, safety stock.
  7. Orders and fulfillment (Modules 8, 10, 11, 12): promise, pick, ship.
  8. Returns (Module 12B).
  9. Cash (Modules 13 to 16): stock value, cycle, early payment.
  10. Selling (Modules 17A to 19): shelf, price, ad, channel.
  11. Agents (Modules 20, 21): which parts can software run?

4. Worked unit economics [Illustrative; computed by script from earlier modules]

LinePer bottle
Price$12.00
Product cost (Module 2/9)-$5.00
Inbound freight (Module 11: $2,336 for 14,976 bottles)-$0.16
In store, before store costs$6.84
Pick and pack, online (Module 8)-$0.60
Last-mile delivery (Module 12, 100-stop route)-$2.50
Expected return cost (Module 12B: 15.8% of sales x $8.50 per return)-$1.34
Online, before marketing and overhead$2.40
The online bottle keeps only $2.40 of the $6.84 the store version keeps (before store rent and labor, which we have not modeled). The return rate used is the NRF's all-retail average, not an online-specific figure. [Our view] Now decide: raise the price, push pickup (Module 19), cut returns (Module 12B), or bundle?

5. Your deliverable (one page)

  1. Draw the journey with your numbers.
  2. Name your three biggest costs and one lever for each.
  3. Choose one place AI would help and one place you would keep a person.
  4. Write one line on what changes if shoppers use agents (Module 21).

6. Self-check

  1. Did you use landed cost, not just supplier price?
  2. Did your reorder point include lead time and safety stock?
  3. Did you count returns?
  4. Did you note an assumption you cannot verify?

Sources

CURIOUS? TEST THE CLUES

Curiosity check

Pick an answer and see why. No scores, no pressure. All shop examples are invented practice scenarios.

01 In the capstone, what should you use rather than just the supplier price?
02 What should your reorder point include?