Love them or hate them, trailers of all kinds are used world over for overland and utility use by 4x4 drivers.  They have many positive characteristics for overland travelers, and come in as many different designs as their owners can dream up.  Pulling a trailer with your overland vehicle may be the answer to your issues of convenience, or just a source of contention.  Read up in the Flatwater archives about overland trailers and decide for yourself.