Portlogics

Insights

Practitioner-level guides on trade logistics: customs, ocean and air freight, and duty drawback.

What Is a WMS (Warehouse Management System)?

2026-07-13

What Is a WMS (Warehouse Management System)?

What a WMS does, how it differs from ERP and TMS, its core functions and benefits. A guide for teams standardizing warehouse and inventory operations.

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Shipping Container Types and Sizes: 20ft, 40ft, and Special Containers

2026-07-10

Shipping Container Types and Sizes: 20ft, 40ft, and Special Containers

Dimensions and CBM for 20ft, 40ft, and high cube containers, the special container types, and how to pick the right container for your cargo. A practical shipping guide.

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What Are Demurrage and Detention (D&D)?

2026-07-09

What Are Demurrage and Detention (D&D)?

How demurrage and detention differ, how storage fits in, why the charges happen, and how to reduce them. A guide for shippers avoiding surprise invoices.

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Incoterms 2020: All 11 Rules, FOB, CIF & DDP

2026-07-07

Incoterms 2020: All 11 Rules, FOB, CIF & DDP

The 11 Incoterms with a responsibility matrix, the FOB vs CIF risk-versus-cost trap, how to choose, and common mistakes. A practical guide for setting trade terms.

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LCL vs FCL: How to Choose Your Ocean Freight

2026-07-07

LCL vs FCL: How to Choose Your Ocean Freight

LCL vs FCL, the break-even point, how CBM and revenue-ton pricing work, and every line on an ocean freight quote. A practical guide for first-time shippers.

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Air Freight Guide: vs Ocean, and How Rates Work

2026-07-07

Air Freight Guide: vs Ocean, and How Rates Work

Air vs ocean, how chargeable (volumetric) weight is calculated, and lead time and cautions. A practical guide for teams new to air cargo.

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What Is 3PL? 1PL to 4PL Logistics Explained

2026-07-07

What Is 3PL? 1PL to 4PL Logistics Explained

3PL explained, 1PL to 4PL, 3PL vs fulfillment, and when outsourcing logistics pays off. A guide for teams weighing logistics outsourcing.

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What Is Fulfillment? Fulfillment vs 3PL Explained

2026-07-07

What Is Fulfillment? Fulfillment vs 3PL Explained

Fulfillment explained, fulfillment vs 3PL, the inbound-to-returns process, and when to outsource. A guide for online sellers weighing logistics.

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What Is a TMS (Transportation Management System)?

2026-07-07

What Is a TMS (Transportation Management System)?

What a TMS does, how it differs from a WMS, its benefits, and what to check when selecting one. A guide for teams standardizing transport operations.

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What Is an HS Code? Structure and How to Look It Up

2026-07-07

What Is an HS Code? Structure and How to Look It Up

HS code structure (6-digit international core, 10-digit HSK), why it sets duty and requirements, how to look one up, and misclassification risk. A guide for classifying goods.

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