Columnar support side effects

I heard that if you raise the tip of your nose with a septum lengthening surgery, even if it looks good, there are side effects such as a crooked nose due to using the septum inside the nose or difficulty breathing through one nostril. Of course, it depends on the skill of the doctor performing the surgery, but
 
I don't want a flashy nose. It's a hooked nose, so if I can just remove the hooked nose and slightly raise the tip of the nose, that's fine. More than anything, I want something that's really natural, so
 
I use the ear cartilage to build the columellar support. If you stand upright, it doesn't touch your nasal septum, so you won't be able to breathe, etc. Are there any side effects?

I heard that the ear cartilage has weak support and can sag, but is there such a thing as the nose sagging more than the nose as it gets older?