I would think the title should say, "What to bring and know how to use". You can pack everything you can think of, but without it in working condition, know how to properly use, etc. carrying it is only adding weight.
I wonder how many have actually changed a u-joint in their driveway, let along the trail.
There are of course points when you have enough, but not enough to repair and keep going. Repair may be the only way to get back to civilization and for a better way of getting home. Best thing to do is let someone know where you are going, the route, and if you can, go with others.
