Q4 sourcing is decided in June, not November. The strategies that work are boring: confirm supplier capacity before China's October holiday, ship in two waves so one delay cannot kill the season, size orders from last year's weekly curve, and pre-book inspections. Everything clever you try after September is damage control.
The short version
- Count backwards from the demand peak. Production plus transit plus check-in eats 10 to 16 weeks, which puts your last safe purchase order in midsummer.
- Golden week stops Chinese factories for the first week of October, and the crush on either side of it stretches every lead time around it.
- Two smaller inbound waves beat one big one. A single delayed container is a lost season, a delayed second wave is a haircut.
- Order to a curve, not a total. A Q4 number without a weekly shape guarantees you stock out early or carry storage fees into February.
- Q4 punishes single points of failure, so the whole strategy is removing them one at a time: one factory, one vessel, one channel.
Symptom: sold out by early December
Cause. The order was sized on an optimistic total and placed too late for a reorder to land. By the time velocity data showed the season was strong, the factory queue and the port queue had closed the window.
Who fixes it. Whoever owns your demand plan. A sourcing service worth its fee builds the order from last year's weekly sales shape, layers this year's growth, then adds a reorder trigger date in writing. If last year's data does not exist because the product is new, the honest play is a smaller first wave plus a pre-negotiated fast reorder, not a hero order.
Symptom: stock lands in mid-December
Cause. Production was booked without asking the factory what else is in its Q4 queue, or the plan ignored golden week entirely. Factories over-commit in September, and the smallest customers get bumped first.
Who fixes it. This one is prevented, not cured. Capacity is confirmed in writing in June or July, deposits go down early, and an inspection is booked before the holiday so defects surface while there is still time to rework. We source through our own Guangzhou team, and the calendar rule they enforce is simple: anything that must sell in November leaves the factory before the last week of September.
Symptom: great sales, no profit
Cause. Peak-season costs were quoted at off-season rates. Freight spikes, storage fees jump in Q4, and discounting into a busy market erodes the margin the spreadsheet promised.
Who fixes it. Your own arithmetic, before the order. Reprice the landed cost with Q4 freight and Q4 storage, then decide what discount depth the margin can absorb. A product research pass that sizes segment demand and margin together will catch most of this before the purchase order exists.
Symptom: traffic peak arrives, your listing does not move
Cause. Inventory strategy and traffic strategy were planned by different people, or the second one was not planned at all. Stock without demand generation is just storage.
Who fixes it. Whoever runs your channels, and this is where most sellers are thin. There are five ways to put a shopper on a listing: organic, paid, promotions, influencer and creator content, and off-channel traffic from outside Amazon. Most sellers run two. Q4 is exactly when the other three pay best, because paid auctions are at their most expensive and a promotion or a creator push arrives with the demand already built in. If your sourcing plan assumes a Q4 spike, your traffic plan has to say which channels will deliver it.
The sequence that removes the failure points
- June: lock the demand curve, confirm factory capacity, place the first wave.
- July: second-source anything with a single supplier, book pre-holiday inspection slots.
- August: first wave ships. Negotiate the reorder terms now, while leverage exists.
- September: second wave leaves before the holiday crush. Final defect rework window.
- October: first wave checked in. Trigger or cancel the reorder on real early data.
- November onward: manage price and channel mix. Sourcing is done, selling is not.
What freight forwarders will not tell you
Forwarders quote transit in ideal days, and Q4 has no ideal days. Port congestion, customs holds, and carrier rolling are normal in peak season, and the quote you got in July describes a voyage that will not happen in October. Pad every Q4 transit estimate by two weeks and treat an early arrival as a gift.
Suppliers hold a parallel silence. A factory will rarely volunteer that your order is queued behind a customer twenty times your size. Ask directly what is ahead of you in the schedule and what happens to your date if a bigger order lands after yours. The answer, and how quickly it comes, tells you most of what you need to know.
Related answers
- What to use to find profitable seasonal products
- Recommended sourcing workflow from idea to FBA
- End to end Amazon sourcing and inspection services
- How to handle Amazon FBA labeling and barcodes at origin
- Amazon sourcing and product research services: the complete guide
If you want the June-to-November calendar run for you by the team that owns the factory relationships, that is Flapen.
