We recommend having your trailer hitch installed by a professional, but you may be able to install some hitches yourself. For example, U-Haul offers both professional installation of their U-Haul ...

Step One: Install a Trailer Hitch Kia offers a port-installed Class III trailer hitch for just $575 on all trim grades, but U-Haul sells one for just $227.85 plus $100 installation.