Can someone please list for me the best of the positives of using crates and maybe a couple of negatives just to show there may be one or two. A friend of mine is set against using crates and his dog really needs it. I will, if everyone is okay with it, print the pros off for him because sometimes coming from someone else it helps influence a persons thoughts. His dog has a beautiful temperment but does need to have his own safe haven when his owner is not around as he gets bored and well, likes to do all the things bored doggy's do

. Currently he is getting frustrated with his dog but at the same time feels as though a crate would be cruel to put him in.