Prioritize geographic coverage and proximity to your top customer ZIP codes, proven transit-time metrics, WMS/API integration capabilities, transparent activity-based pricing, SLA guarantees (pick-to-ship windows, accuracy), labor stability, and contingency plans for peak demand and carrier disruptions.

Transport routes determine consolidation opportunities and drive LTL/FTL rates; close proximity to major highways and carrier hubs reduces linehaul and final-mile costs. A dense carrier network also improves routing flexibility, reduces dwell time, and enables better service-level agreements for same- or next-day delivery windows.

Look for zone-optimized racking, automated sortation for parcel flows, scalable pick-pack stations, batch or wave picking support, barcode-driven slotting, returns processing lanes, and seamless WMS integration for inventory visibility — these features reduce labor per order and shrink order cycle times.

Negotiate activity-based pricing, clarify accessorial fees, set clear minimums and volume tiers, include performance-based SLAs, require monthly cost and KPI reporting, and build review clauses for rate adjustments tied to volume or service changes to limit surprises and optimize landed cost.

Use demand density maps, transit-time heatmaps to major customer clusters, carrier lane density, regional labor and real estate cost comparisons, inventory days and seasonality data, and proximity to returns processing and reverse logistics flows to model service levels and total cost outcomes.