They arent gonna win any beauty awards, but they are handy. My german shepherd's huge crate takes up too much space, so i built one that can shrink down to half the size. I designed the whole entertainment center around it and one for my other pup. She historically hated any kind of cage, but loves his, so i couldnt leave her out.
Still not done, but with paint.
Not particularly. They dont chew on many things in the house anymore. I have more concerns about my son causing problems with them, but not enough to really worry me.