What Good Inventory Planning Actually Looks Like
The Buy Meeting Is The Single Biggest Source Of Margin Destruction In Lifestyle Brands. Here’s The Operating System That Protects It.
I have not seen a brand in distress whose problem wasn’t, at some point, an inventory problem. I have not seen a brand scale cleanly without getting the planning process right.
The symptoms are familiar: Markdowns that eat the margin, stockouts on styles that were actually selling, aged inventory tying up working capital for two to three seasons, core carryover that drifts because nobody holds the line.
None of that is an accident. It’s a planning process missing a few specific disciplines.
The Buy Itself
Build it backwards from sell-through assumptions by style, channel, and week, not forward from a revenue target. If the math doesn’t reach the target, go back to the plan or the assortment, not to a bigger buy on hope.
Open-To-Buy Governance
This is a rhythm, not a spreadsheet. The brands that run it well hold a standing weekly or biweekly review where plan is reconciled against actual receipts, and open commitments are checked against what’s still open-to-buy. Someone owns that number, and nobody commits to anything new without seeing what’s already on the books.
In-Season Management
The buy is the first decision, but in-season decisions determine how much margin actually lands. That means weekly sell-through by style, chasing production on what’s running hot, and pulling the markdown trigger on what’s running soft before it ages further. It also means rebalancing inventory across channels when needed. All of it gets decided in a standing 60-to-90-minute meeting, with the right people and clear decision rights.
Post-Season Learning
Every season produces a dataset: what sold, what didn’t, what was returned, what was marked down and when, what margin landed by style and channel. Brands that read it get better over time. Brands that don’t repeat the same mistakes at larger volumes as they scale.
The Views Worth Running
Sell-through by style against plan, rolling 4-week trend. Receipt calendar vs. actual. Inventory aging by month, flagged past 120 days. Markdown liability in dollars at risk. Full-price vs. promo mix, tracked weekly. Core carryover vs. newness ratio, reviewed each season.
For turnaround brands, this is the work. The discipline didn’t disappear overnight, it eroded quietly over seasons, and rebuilding it is where the margin recovery lives.
For scaling brands, the lesson is the same: build this before you need it. Wait too long and you end up fixing a planning crisis at the exact stage you can’t afford the distraction.
Inventory planning isn’t exotic. Run it well and the business scales. Run it loosely and it stalls.
If your cadence is inconsistent, or inventory talk has drifted to monthly, let’s talk.
Swipe through for The Inventory Plan Review deck. 👇
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