Trailers are designed to increase the amount of towing space you have available at any given time. By hooking a trailer to your truck or SUV, you can easily double or triple the amount of weight you can transport each trip. This reduces mileage and helps to keep your costs low. The right trailer will be a valuable asset for many years. If you need a trailer that is designed to withstand the test of time, an aluminum model will be your best option.