Evaluate location and transit times, facility infrastructure (racking, temperature control, cross-dock), technology stack (WMS, API/EDI, reporting), service breadth (kitting, returns, value-added services), SLA metrics, scalability, and transparent costing (storage, handling, minimums). Prioritize partners with proven carrier integrations and real-time visibility tools.

Carrier network density and proximity to arterial roads reduce transit variability and shrink last-mile windows. Good access to regional carriers and parcel networks enables faster deliveries and predictable cutoffs for next-day service; proximity to intermodal options supports efficient consolidation for cross-border lanes and lowers long-haul unit costs.

Compare fixed and variable costs: per-pallet and per-sqm storage rates, pick-and-pack pricing, inbound/outbound handling, minimum monthly charges, equipment fees, IT integration costs, and surcharges (fuel, seasonal). Model total landed cost per order across expected volumes and seasonality to assess ROI.

Request WMS demos and API sandbox access, review performance reports and references, run a pilot with a controlled SKU set, audit returns processing and reverse logistics flows, and include clear SLA clauses with KPIs and penalties. Confirm service-level integration testing and onboarding timelines in the contract.