How to Manage Seasonal Inventory for Peak E-commerce Periods

For most e-commerce businesses, Q4 represents 30–40% of annual revenue. The difference between a great Q4 and a disastrous one is almost always inventory planning.

Start Planning in Q2

Businesses that consistently win Q4 start inventory planning six months ahead. They're forecasting Q4 demand in June, placing orders in July and August, and have inventory arriving in September — well before the peak selling window.

Understand Amazon's Q4 FBA Deadlines

Amazon enforces strict inbound shipping deadlines for Q4 to ensure inventory is received before peak demand. Missing these deadlines means your inventory arrives after the selling window has peaked. Check the current-year deadlines and plan inbound shipments accordingly.

Have a Markdown Strategy Ready

Even with careful planning, some products will end Q4 with excess inventory. Having a markdown strategy ready prevents excess inventory from carrying into the new year and consuming storage capacity and cash that should be deployed into fresh product.

The fix: Pull your Q4 sales data from the last two years. Calculate your average Q4 to Q3 ratio. Apply that to your current run rate to estimate Q4 demand. Address any inventory gap more than 60 days before peak.