Amazon Seasonal Inventory Planning for Brands That Make Their Year in a Few Weeks

Some brands sell evenly all year. Many of the brands we work with don’t. Pool and rescue equipment peaks in summer. Gifts and food peak at the holidays. Outdoor gear peaks in spring. If most of your year happens in a few weeks, getting inventory right on Amazon is worth more than almost anything else you do there.

Run out in week two of your season and you lose the sales, the ranking, and often the Buy Box to whoever still has stock. Overbuy and you pay storage fees on inventory that sits for eleven months.

Why seasonal planning is harder on Amazon

• FBA check-in takes time, and it slows down right when everyone is sending inventory for peak.
• Amazon sets capacity limits on how much you can store in FBA, and those limits can change.
• Storage fees rise in Q4, and inventory that sits too long picks up extra fees.
• Ranking follows sales velocity. Stocking out doesn’t just cost today’s sales; it can take weeks to recover your position.

A planning process that works

1. Map your season from your own history. Use at least two years of sales by week, not month. Kemp USA’s pool and rescue season, May through July, carries more than half their year’s revenue, so the plan is built around those weeks.
2. Work backward from your peak. Production lead time, freight time, prep time, and FBA check-in time. Add buffer, because peak is when every one of those gets slower.
3. Check capacity early. Look at your FBA capacity limits in Seller Central well before you need the space. Plan for a backup, like shipping some units yourself or using a third-party warehouse to replenish FBA.
4. Stage inventory in waves. One giant shipment is risky. Staged shipments keep you in stock without paying peak storage on everything at once.
5. Plan ads and pricing around stock. Don’t spend heavily into a season you’re under-stocked for, and don’t run deep discounts that sell out your best weeks early.
6. Plan the end of the season too. What’s left over, where it goes, and what it costs to hold.

Q4 specifically

If your peak is the holidays, Amazon publishes recommended inventory send-in dates for the season in Seller Central. Treat them as the latest possible date, not the target. Check the current dates every year; they change.

Why we treat this as its own job

In our 90-day plan, weeks 11 to 13 include mapping your season against inventory. And if your season lands in week four of working together, we do the season first and push everything else back. See launching an established brand on Amazon and why you’re losing the Buy Box.

Frequently asked questions

Written by

David Ledbetter, Chief Growth Officer

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