Request operational KPIs (order accuracy, on‑time ship rate, dock-to-stock time), inspect layout and IT (WMS integration, EDI/API), confirm SLA remedies, and assess value‑added services such as kitting, returns processing, and temperature control. Also validate peak‑season staffing and contingency plans for carriers and customs delays.

Prioritize road and rail connectivity to major corridors, frequency of LTL/FTL services to target markets, proximity to international border crossings, and access to express air freight through Tuzla airport. Evaluate average transit times to primary eCommerce and retail hubs and network coverage for last‑mile delivery.

Compare land and storage rates, labor and handling tariffs, inbound/outbound freight estimates, value‑added service fees, and billing cadence. Model total landed cost including cross‑dock time, returns processing, shrinkage allowances, and any customs or brokerage charges for cross‑border shipments.

Customs clearance can add variability; ensure your 3PL offers brokerage, HS code management, accurate documentation, and pre‑lodgement capabilities. Confirm average clearance times, bonded storage options, and experience handling re‑exports or partial shipments to minimize delays and demurrage exposure.