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DoorDash and Pizza Arbitrage (2020)

www.readmargins.com Essays & writing Essays & articles Economics & business Candidate
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Page preview · captured 2026-07-20

Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
4
submitters
4
observed span
2021–2026
peak thread · 230 comments
204 pts
latest 20+ return · 2024-06-27
204 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

> You have insanely large pools of capital creating an incredibly inefficient money-losing business model. It's used to subsidize an untenable customer expectation. You leverage a broken workforce to minimize your genuine labor expenses. The companies unload their capital cannons on customer acquisition, while this week’s Uber-Grubhub news reminds us, the only viable endgame is a promise of monopoly concentration and increased prices. But is that even viable? Inequality is driving this. We have let money become so…

forinti·204-point thread·

I created a DD account but never placed an order. Quite some time later, they emailed to try to convince me to place my first order — with a $35-off coupon (min $30 order). I ordered $41 of food and was stuck with a $22 bill (including a $5 tip I added). Delivery was "free" for this order. This taught me a valuable lesson: if DD sends you a coupon for less than $20, it is worth zero. If it's…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
400

reference only — not used in Hall rules or ranking

Total comments
373

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2021-06-13DoorDash and Pizza Arbitragezorpner40
2022-07-13DoorDash and pizza arbitrage (2020)First breakoutjer0me191230
2024-06-27DoorDash and Pizza Arbitrage (2020)Best thread · Latest 20+ point returnthunderbong204142
2026-01-13DoorDash and Pizza Arbitrage (2020)timvdalen11