Thinking about hauling gear, tools, or inventory with less stress? A cargo trailer can turn a basic tow vehicle into a flexible, weather-safe hauler for work and weekend projects. This guide demystifies types, materials, weights, and features so you can compare options without jargon. You’ll get practical tips on sizing, legal basics, and long-term costs that actually matter. Read on to sidestep costly mistakes and pick a trailer that fits your plans.