Ecommerce fulfillment is high-volume, integration-heavy, and unforgiving. The right WMS should reduce manual work, keep inventory accurate, and handle peaks without slowing the floor down.
Must-have capabilities
Prioritize CSV-supported order and inventory workflows, batch or wave picking, returns workflows, and shipment readiness. Marketplace or carrier automation should be treated as scoped implementation work, not assumed self-serve functionality.
What to ask vendors
Ask for live demos, peak-season examples, return-flow walkthroughs, and references from similar volumes. Watch for vague integration answers or pricing models that become expensive as you grow.
Implementation tips
Clean product data first, roll out in phases, and tune batch sizes after launch. Ecommerce WMS projects succeed when the rollout matches the business's actual growth path.