Prioritize measurable KPIs: order accuracy, pick-and-pack cycle time, warehouse capacity scalability, and on-time shipment rate. Also assess WMS/API connectivity, SLA terms, reverse-logistics processes, and reporting cadence to ensure alignment with omnichannel commitments and seasonal demand peaks.

Closer proximity shortens drayage and over-the-road transit, reducing fuel and carrier charges and enabling tighter delivery windows. For cross-border or export flows, reduced inland transit lowers handling points and potential delays, improving predictability and lowering total landed cost.

Look for cloud WMS with API/EDI capabilities, real-time inventory visibility, shipment tracking integrations with major carriers, and support for automated pick-and-pack workflows. Confirm ability to integrate with your order management and ERP systems for unified inventory control.

Basic warehousing lowers fixed costs but requires in-house ops for fulfillment, compliance, and returns. Full-service 3PLs add operational expertise, carrier contracts, and value-added services (kitting, labeling) at higher unit costs. Evaluate total cost-per-order, scalability, and whether the 3PL’s service model matches your customer SLA requirements.