Trailer brakes will improve safety. Trailer brakes improve the ride while towing. Trailer brakes improve the towing experience for the driver. Trailer brakes reduce wear on the tow vehicle's brakes, including warped rotors, burnt linings / pads, tire wear. Trailer brakes are probably required by law for this trailer in most states. Trailer brake controllers will set you back $30 to $200, with a sweet spot around $100 (Tekonsha Primus IQ, for example.) Wiring for brake controllers will cost you from $15 to $150 depending on what your tow vehicle comes equipped with, and who does the install. If trailer brakes prevent an accident the cost savings will be nearly immeasurable.