Prioritize geographic proximity to target markets, carrier connectivity (road and regional couriers), inventory visibility (WMS/API capabilities), SLA performance for pick-and-pack, and cost structure transparency including receiving, storage, pick, pack, and outbound freight fees.

Cost efficiencies come from optimizing storage density, negotiating zone-based outbound rates with carriers, using mixed pallet strategies, and choosing a 3PL offering consolidated transport options. Visibility into volumetric pricing and regular freight audits helps control hidden fees.

Key features are a modern WMS with real-time inventory, integrated scanning for pick accuracy, dedicated packing stations for sell-through channels, staging areas for fast flows, and the ability to segment SKUs by velocity for optimized picking.

Onboarding generally includes SLA negotiation, data mapping and API/WMS integration (2–6 weeks), test shipments and cycle counting (1–3 weeks), followed by phased SKU ramp-up. Complex SKUs or multi-temperature flows extend timelines.

Assess the 3PL's carrier roster, transit-time analytics, zone-based cost models, customs handling experience if cross-border, and contingency plans for capacity peaks. Request performance data (OTD, claims rate) and references for comparable lane coverage.