I guess it depends on what you call "the extra trouble." If the camera is on a tripod, has been carefully focused eg with live view, AND you care about the results, how can it NOT be worth it. I do not know about the Canon system, but in the world of Nikon, it's quite easy, a simple turn of the dial sets it. Attach the cable, push once, mirror up, wait however long you feel is necessary, push it again and the shutter is released, seems pretty simple.