Prioritize SLA metrics (order cycle, same-day/next-day cutoffs), inventory visibility (WMS integrations and EDI/API), slotting and kitting capabilities, carrier pickup windows and scalability of space and labor. Verify proof-of-delivery processes and dispute resolution workflows for returns and chargebacks.

Closer proximity reduces drayage, dwell time and inbound unpredictability, lowering landed cost per SKU. Good rail and highway access also enables consistent carrier schedules, which reduces safety stock requirements and improves inventory turns for both domestic and regional shipments.

Look for modern racking, segmented ambient and cold-storage areas, dedicated packing stations, returns processing bays, integrated WMS/OMS connectivity, and SLA-driven pick-and-pack workflows. Operational flexibility for peak season staffing and cross-dock capability is essential.

Compare storage pricing (per pallet/bin), pick-and-pack fees (per order, per line), inbound receiving charges, kitting/assembly costs, minimum monthly handling, and freight accessorials. Include expected velocity, SKU mix, and peak-season surcharges to model true monthly spend.