Operator-written notes from Chuck and Steven on the failure modes, fixes, and first principles behind the 3PL Operating System. No newsletters of inspiration. No fluff. Just what we’ve seen on real warehouse floors.
Every note here is something a 3PL operator brought us, or something we ran into ourselves — written down so the next person doesn’t have to learn it the expensive way.
Who’s writing
Editorial series
A multi-part series on how visibility tools change the economics of a 3PL. Each note ships as HTML and as a downloadable PDF you can share with your team or your client.
Executive case
Warehouses that outperform their peers do not move faster — they move less. The 55/55 math behind why travel time is the single biggest controllable cost inside the operation, and three strategic levers for reducing it.
05 Mar 2026 · 5 min read
Read the noteSlotting strategy
ABC analysis answers which items move the most. It does not answer which items move together. Co-location slotting — surfaced by a heat map — is the smarter layer that turns slotting from a SKU-ranking exercise into a real labour-saving move.
25 Jan 2026 · 8 min read
Read the noteVisibility primer
Wouldn't it be helpful to see your warehouse activity, instead of trying to understand it from rows and columns of data? A heat map turns the data your WMS already has into a picture you can act on.
15 Jan 2026 · 6 min read
Read the noteMore notes
Single notes — methodology pieces, first-principles arguments, things we wish someone had handed us five years ago.
Field report
Enterprise pick-to-light vendors quote six figures and a six-month project plan for a 24-light zone. We sell the same Banner Engineering components at component prices and ship them with a DIY install guide. Here's the actual install flow, and why it works at mid-market scale.
15 May 2026 · 9 min read
Read the noteFirst principles
Your WMS is doing exactly what it was built to do — track inventory and turn orders into shipments. That's not the same as showing you what's happening on your floor. Here's why operators who buy more WMS end up with the same blind spots, and what to do instead.
22 Apr 2026 · 8 min read
Read the noteMethodology
The 3PL Triangle — Space, Labour, Technology — is the most useful diagnostic frame in third-party logistics. It is also the most abused, because most operators run it as a vibe-check rather than a measurement. Here's how we turned it into a measurable, defendable slotting decision.
08 Apr 2026 · 10 min read
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More from the family
Field Notes is our parent-brand thinking. Each product publishes its own deeper, product-specific writing — on dock evidence, slotting, or per-client economics.
DockSnap
Product-marketing writing on dock photo evidence, OCR vs barcode, Carmack Amendment claims, and receiving documentation.
Read the DockSnap blogWarehouse Heatmap
Practical posts on the 8% rule, heat map vs stock report, re-slotting after peak, and why your warehouse feels full when the numbers say otherwise.
Read the Heatmap blogClient Scorecard
The economics of 3PL accounts — billing by line vs grading by gut, KPIs your WMS can’t calculate, ranking clients by profit not revenue.
Read the Scorecard blogTake the 3PL Operating Scorecard. Eight questions, sixty seconds. We’ll show you which dimension of your operation is bleeding worst — and which named tool to start with.
