Prioritize carrier connectivity, proximity to major road and rail nodes, dock and staging capacity, automation level (WMS and sortation), and the provider’s track record on customs and cross‑border compliance. Also evaluate SLA adherence, billing transparency, and scalable footprint options to support seasonal peaks.

Model landed cost by including warehousing fees, pick/pack rates, inbound/outbound drayage, and average dwell times. Factor in carrier discounts available through the 3PL, reduced transit times to key markets, and value‑added services that decrease returns and handling. Compare total delivered cost per SKU, not just flat storage rates.

Look for real‑time WMS integration, batch and single‑unit pick/pack flexibility, returns processing, kitting/assembly, and seamless API connectivity for order routing. SLA guarantees for same‑day or next‑day fulfillment, inventory visibility, and scalable labor resources are critical for omnichannel performance.

Choose locations with direct access to primary highways and regional distribution corridors, short drayage to multimodal terminals, and proximity to key customer clusters. Evaluate local labor pools, utility reliability, and existing carrier networks to minimize transit time variability and support consistent delivery performance.