I voted 1-2 times a week. Shadow's are AWFUL, but for years I was afraid to touch them (1. They're black, 2. she'd growl and make it such a big deal, and I was literally afraid!) and we'd only have the vets do it so they were MUCH longer than I prefer. I've been working on them though and making slow progress, and I've learned that the growling is all a show and she'd never bite me. They also grow extremely fast, and they're thick. I try to do all of the dogs at least once a week, sometimes once every two weeks, it all depends. I've been wanting to get a dremel, but for now I just clip them.